{"title":"Sleep Systems","description":null,"products":[{"product_id":"sea-to-summit-telos-evo-bikepack-tent-tr2-tarragon-copy","title":"Sea to Summit Ultralight XR Insulated Air Mattress","description":"\u003ch3 data-section-id=\"iockhu\" data-start=\"98\" data-end=\"158\"\u003eSea to Summit Ultralight XR Insulated Air Sleeping Pad\u003c\/h3\u003e\n\u003cp data-start=\"159\" data-end=\"202\"\u003e\u003cstrong data-start=\"159\" data-end=\"202\"\u003eGo lighter. Sleep better. Ride farther.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"204\" data-end=\"482\"\u003eAt \u003cstrong data-start=\"207\" data-end=\"232\"\u003eOttawa Bike and Trail\u003c\/strong\u003e, we’re proud to be a \u003cstrong data-start=\"254\" data-end=\"278\"\u003eSea to Summit dealer\u003c\/strong\u003e, and we can help you dial in everything from bikepacking sleep systems to full backcountry setups. Whether you’re chasing comfort, saving weight, or balancing both, we’ve got the experience to guide you.\u003c\/p\u003e\n\u003cp data-start=\"484\" data-end=\"826\"\u003eThe \u003cstrong data-start=\"488\" data-end=\"546\"\u003eSea to Summit Ultralight XR Insulated Air Sleeping Pad\u003c\/strong\u003e is built for riders and backpackers who want serious comfort without sacrificing pack space. Designed with ultralight travel in mind, this pad delivers a \u003cstrong data-start=\"701\" data-end=\"763\"\u003ebalanced mix of warmth, stability, and compact packability\u003c\/strong\u003e—perfect for multi-day bikepacking trips and minimalist setups.\u003c\/p\u003e\n\u003cp data-start=\"828\" data-end=\"1061\"\u003eWhat sets the Ultralight XR apart is its \u003cstrong data-start=\"869\" data-end=\"901\"\u003eAir Sprung Cell construction\u003c\/strong\u003e, using hundreds of individual support points to contour to your body and eliminate pressure points—so you actually wake up rested, not just “off the ground.”\u003c\/p\u003e\n\u003cp data-start=\"1063\" data-end=\"1243\"\u003eWith \u003cstrong data-start=\"1068\" data-end=\"1094\"\u003eThermalCore insulation\u003c\/strong\u003e, the pad reflects body heat back toward you, boosting warmth without adding bulk—ideal for three-season riding where conditions can shift quickly.\u003c\/p\u003e\n\u003cp data-start=\"1245\" data-end=\"1439\"\u003eDespite the comfort, it stays true to its name. This is a \u003cstrong data-start=\"1303\" data-end=\"1339\"\u003elightweight, highly packable pad\u003c\/strong\u003e that easily fits into a frame bag or pannier, making it a go-to for riders who count every ounce.\u003c\/p\u003e\n\u003cp data-start=\"1441\" data-end=\"1634\"\u003eSetup is quick and simple thanks to the \u003cstrong data-start=\"1481\" data-end=\"1521\"\u003eAirstream pump sack and XPRESS valve\u003c\/strong\u003e, giving you fast inflation, easy pressure adjustments, and rapid deflation when it’s time to pack up and roll.\u003c\/p\u003e\n\u003chr data-start=\"1636\" data-end=\"1639\"\u003e\n\u003ch3 data-section-id=\"fd31gl\" data-start=\"1641\" data-end=\"1684\"\u003eWhy We Like It at Ottawa Bike and Trail\u003c\/h3\u003e\n\u003cul data-start=\"1685\" data-end=\"2030\"\u003e\n\u003cli data-section-id=\"1lbbffl\" data-start=\"1685\" data-end=\"1746\"\u003e\n\u003cstrong data-start=\"1687\" data-end=\"1713\"\u003eUltralight and compact\u003c\/strong\u003e – ideal for bikepacking setups\u003c\/li\u003e\n\u003cli data-section-id=\"1no9hyw\" data-start=\"1747\" data-end=\"1815\"\u003e\n\u003cstrong data-start=\"1749\" data-end=\"1771\"\u003eReal sleep comfort\u003c\/strong\u003e – Air Sprung Cells reduce pressure points\u003c\/li\u003e\n\u003cli data-section-id=\"y8huhm\" data-start=\"1816\" data-end=\"1886\"\u003e\n\u003cstrong data-start=\"1818\" data-end=\"1837\"\u003e3-season warmth\u003c\/strong\u003e – ThermalCore insulation keeps you comfortable\u003c\/li\u003e\n\u003cli data-section-id=\"o7wrtf\" data-start=\"1887\" data-end=\"1954\"\u003e\n\u003cstrong data-start=\"1889\" data-end=\"1918\"\u003eQuick setup and pack-down\u003c\/strong\u003e – efficient valve and pump system\u003c\/li\u003e\n\u003cli data-section-id=\"1hjtk1t\" data-start=\"1955\" data-end=\"2030\"\u003e\n\u003cstrong data-start=\"1957\" data-end=\"1974\"\u003eStable design\u003c\/strong\u003e – less “rolling off” compared to traditional air pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2032\" data-end=\"2035\"\u003e\n\u003ch3 data-section-id=\"q0n6xz\" data-start=\"2037\" data-end=\"2050\"\u003eKey Specs\u003c\/h3\u003e\n\u003cul data-start=\"2051\" data-end=\"2225\"\u003e\n\u003cli data-section-id=\"bvvtu9\" data-start=\"2051\" data-end=\"2079\"\u003eWeight: ~13.8 oz (390 g)\u003c\/li\u003e\n\u003cli data-section-id=\"aqrave\" data-start=\"2080\" data-end=\"2112\"\u003eR-Value: ~3.6 (3-season use)\u003c\/li\u003e\n\u003cli data-section-id=\"4rb15k\" data-start=\"2113\" data-end=\"2144\"\u003eThickness: ~2.5 in \/ 6.5 cm\u003c\/li\u003e\n\u003cli data-section-id=\"14lzbzh\" data-start=\"2145\" data-end=\"2179\"\u003eConstruction: Air Sprung Cells\u003c\/li\u003e\n\u003cli data-section-id=\"182fmig\" data-start=\"2180\" data-end=\"2225\"\u003eMaterials: 30\/40D nylon with TPU laminate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2227\" data-end=\"2230\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2450\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you’re trying to keep your kit light without giving up a good night’s sleep, the Ultralight XR is one of the best upgrades you can make to your bikepacking setup—because better sleep means better miles the next day.\u003c\/p\u003e","brand":"Sea to Summit","offers":[{"title":"Small","offer_id":51972033446119,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":51972033478887,"sku":"045602","price":149.0,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":51972033511655,"sku":null,"price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1969\/2472\/files\/sea-to-summit-bikepacking-gear-sea-to-summit-ultralight-xr-insulated-air-mattress-1232062458.webp?v=1776005486"},{"product_id":"sea-to-summit-ultralight-xr-insulated-air-mattress-copy","title":"Sea to Summit Ether Light XR Insulated Mat","description":"\u003ch3 data-section-id=\"1qj5p1u\" data-start=\"98\" data-end=\"159\"\u003eSea to Summit Ether Light XR Insulated Air Sleeping Pad\u003c\/h3\u003e\n\u003cp data-start=\"160\" data-end=\"200\"\u003e\u003cstrong data-start=\"160\" data-end=\"200\"\u003eMaximum comfort. Minimal compromise.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"202\" data-end=\"494\"\u003eAt \u003cstrong data-start=\"205\" data-end=\"230\"\u003eOttawa Bike and Trail\u003c\/strong\u003e, we’re proud to be a \u003cstrong data-start=\"252\" data-end=\"276\"\u003eSea to Summit dealer\u003c\/strong\u003e, and we can help you build the right sleep system for bikepacking, hiking, or any overnight adventure. Whether you're optimizing for comfort, pack size, or all-day ride recovery, we’ve got the experience to guide you.\u003c\/p\u003e\n\u003cp data-start=\"496\" data-end=\"800\"\u003eThe \u003cstrong data-start=\"500\" data-end=\"559\"\u003eSea to Summit Ether Light XR Insulated Air Sleeping Pad\u003c\/strong\u003e is built for riders who prioritize \u003cstrong data-start=\"595\" data-end=\"622\"\u003ereal sleep on the trail\u003c\/strong\u003e. With its thicker profile and advanced construction, this pad delivers one of the most comfortable sleep experiences you can pack on a bike—without going full car-camping bulky.\u003c\/p\u003e\n\u003cp data-start=\"802\" data-end=\"1007\"\u003eWhat sets the Ether Light XR apart is its \u003cstrong data-start=\"844\" data-end=\"887\"\u003eextra-thick 10 cm (3.9 in) construction\u003c\/strong\u003e, giving you a noticeably cushioned feel that smooths out rough campsites and works especially well for side sleepers.\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1195\"\u003eInside, \u003cstrong data-start=\"1017\" data-end=\"1049\"\u003eAir Sprung Cell construction\u003c\/strong\u003e creates a more natural sleeping surface by distributing weight evenly and reducing pressure points—so you’re not tossing and turning all night.\u003c\/p\u003e\n\u003cp data-start=\"1197\" data-end=\"1408\"\u003eFor cooler nights, \u003cstrong data-start=\"1216\" data-end=\"1265\"\u003eThermalCore insulation with reflective layers\u003c\/strong\u003e helps retain body heat without adding unnecessary bulk, making this a strong option for extended three-season use and shoulder-season trips.\u003c\/p\u003e\n\u003cp data-start=\"1410\" data-end=\"1626\"\u003eDespite its plush feel, it’s still built for travel. The Ether Light XR packs down efficiently and includes an \u003cstrong data-start=\"1521\" data-end=\"1561\"\u003eAirstream pump sack and XPRESS valve\u003c\/strong\u003e, making setup quick and hassle-free at the end of a long ride.\u003c\/p\u003e\n\u003chr data-start=\"1628\" data-end=\"1631\"\u003e\n\u003ch3 data-section-id=\"fd31gl\" data-start=\"1633\" data-end=\"1676\"\u003eWhy We Like It at Ottawa Bike and Trail\u003c\/h3\u003e\n\u003cul data-start=\"1677\" data-end=\"2039\"\u003e\n\u003cli data-section-id=\"13da56e\" data-start=\"1677\" data-end=\"1754\"\u003e\n\u003cstrong data-start=\"1679\" data-end=\"1704\"\u003eBest-in-class comfort\u003c\/strong\u003e – ideal for riders who prioritize sleep quality\u003c\/li\u003e\n\u003cli data-section-id=\"rdk3wf\" data-start=\"1755\" data-end=\"1815\"\u003e\n\u003cstrong data-start=\"1757\" data-end=\"1782\"\u003eThicker design (3.9\")\u003c\/strong\u003e – smooths out uneven campsites\u003c\/li\u003e\n\u003cli data-section-id=\"m3o4lz\" data-start=\"1816\" data-end=\"1884\"\u003e\n\u003cstrong data-start=\"1818\" data-end=\"1838\"\u003e3+ season warmth\u003c\/strong\u003e – great for variable bikepacking conditions\u003c\/li\u003e\n\u003cli data-section-id=\"4topxd\" data-start=\"1885\" data-end=\"1961\"\u003e\n\u003cstrong data-start=\"1887\" data-end=\"1914\"\u003eStable sleeping surface\u003c\/strong\u003e – less shifting than traditional baffle pads\u003c\/li\u003e\n\u003cli data-section-id=\"19r6iyr\" data-start=\"1962\" data-end=\"2039\"\u003e\n\u003cstrong data-start=\"1964\" data-end=\"1978\"\u003eEasy setup\u003c\/strong\u003e – fast inflation and deflation after long days on the bike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2041\" data-end=\"2044\"\u003e\n\u003ch3 data-section-id=\"q0n6xz\" data-start=\"2046\" data-end=\"2059\"\u003eKey Specs\u003c\/h3\u003e\n\u003cul data-start=\"2060\" data-end=\"2248\"\u003e\n\u003cli data-section-id=\"5sk26x\" data-start=\"2060\" data-end=\"2090\"\u003eThickness: ~3.9 in \/ 10 cm\u003c\/li\u003e\n\u003cli data-section-id=\"1g6fyz5\" data-start=\"2091\" data-end=\"2128\"\u003eR-Value: ~4.0–4.5 (3+ season use)\u003c\/li\u003e\n\u003cli data-section-id=\"oalani\" data-start=\"2129\" data-end=\"2167\"\u003eWeight: ~16–17 oz (varies by size)\u003c\/li\u003e\n\u003cli data-section-id=\"14lzbzh\" data-start=\"2168\" data-end=\"2202\"\u003eConstruction: Air Sprung Cells\u003c\/li\u003e\n\u003cli data-section-id=\"182fmig\" data-start=\"2203\" data-end=\"2248\"\u003eMaterials: 30\/40D nylon with TPU laminate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2250\" data-end=\"2253\"\u003e\n\u003cp data-start=\"2255\" data-end=\"2431\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you’re building a bikepacking sleep system and don’t want to sacrifice comfort, the Ether Light XR is a standout choice—because better sleep means better rides the next day.\u003c\/p\u003e","brand":"Sea to Summit","offers":[{"title":"Small","offer_id":51972403626215,"sku":null,"price":189.0,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":51972403658983,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":51972403691751,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true},{"title":"Rectangular Regular","offer_id":51972421517543,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true},{"title":"Rectangular Large","offer_id":51972421550311,"sku":null,"price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1969\/2472\/files\/sea-to-summit-bikepacking-gear-sea-to-summit-ether-light-xr-insulated-mat-1232064002.webp?v=1776012635"},{"product_id":"sea-to-summit-aeros-premium-pillow","title":"Sea to Summit Aeros Premium Pillow","description":"\u003ch3 data-end=\"130\" data-start=\"90\" data-section-id=\"148kixt\"\u003eSea to Summit Aeros Premium Pillow\u003c\/h3\u003e\n\u003cp data-end=\"175\" data-start=\"131\"\u003e\u003cstrong data-end=\"175\" data-start=\"131\"\u003eSmall packed size. Big upgrade in sleep.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"406\" data-start=\"177\"\u003eAt \u003cstrong data-end=\"205\" data-start=\"180\"\u003eOttawa Bike and Trail\u003c\/strong\u003e, we’re proud to be a \u003cstrong data-end=\"251\" data-start=\"227\"\u003eSea to Summit dealer\u003c\/strong\u003e, and we can help you build a complete bikepacking sleep system—from pads and quilts to the small details that make a big difference, like a proper pillow.\u003c\/p\u003e\n\u003cp data-end=\"653\" data-start=\"408\"\u003eThe \u003cstrong data-end=\"450\" data-start=\"412\"\u003eSea to Summit Aeros Premium Pillow\u003c\/strong\u003e is one of those pieces of gear you don’t realize you need—until you try it. Designed for \u003cstrong data-end=\"579\" data-start=\"540\"\u003elightweight comfort and packability\u003c\/strong\u003e, it delivers real support without taking up valuable space in your setup.\u003c\/p\u003e\n\u003cp data-end=\"873\" data-start=\"655\"\u003eUnlike basic inflatable pillows, the Aeros Premium combines a \u003cstrong data-end=\"800\" data-start=\"717\"\u003esoft brushed knit fabric and a thin layer of synthetic fill over an air chamber\u003c\/strong\u003e, giving it a much more natural, less “plastic” feel against your skin.\u003c\/p\u003e\n\u003cp data-end=\"1046\" data-start=\"875\"\u003eIts \u003cstrong data-end=\"936\" data-start=\"879\"\u003eergonomic, scalloped shape and internal baffle design\u003c\/strong\u003e help cradle your head and keep it centered through the night—whether you’re a side sleeper or on your back.\u003c\/p\u003e\n\u003cp data-end=\"1210\" data-start=\"1048\"\u003eDialing in comfort is easy thanks to the \u003cstrong data-end=\"1113\" data-start=\"1089\"\u003emulti-function valve\u003c\/strong\u003e, allowing quick inflation, fine-tuning, and fast deflation when it’s time to pack up and ride.\u003c\/p\u003e\n\u003cp data-end=\"1385\" data-start=\"1212\"\u003eAnd for bikepacking setups, it shines where it matters most: it \u003cstrong data-end=\"1334\" data-start=\"1276\"\u003epacks down incredibly small and weighs next to nothing\u003c\/strong\u003e, making it an easy addition to any sleep system.\u003c\/p\u003e\n\u003chr data-end=\"1390\" data-start=\"1387\"\u003e\n\u003ch3 data-end=\"1435\" data-start=\"1392\" data-section-id=\"fd31gl\"\u003eWhy We Like It at Ottawa Bike and Trail\u003c\/h3\u003e\n\u003cul data-end=\"1715\" data-start=\"1436\"\u003e\n\u003cli data-end=\"1483\" data-start=\"1436\" data-section-id=\"1lubggh\"\u003e\u003cstrong data-end=\"1481\" data-start=\"1438\"\u003eHuge comfort upgrade for minimal weight\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"1540\" data-start=\"1484\" data-section-id=\"1bm3hhf\"\u003e\n\u003cstrong data-end=\"1505\" data-start=\"1486\"\u003ePacks down tiny\u003c\/strong\u003e – fits easily into any bag setup\u003c\/li\u003e\n\u003cli data-end=\"1605\" data-start=\"1541\" data-section-id=\"7wv0ay\"\u003e\n\u003cstrong data-end=\"1571\" data-start=\"1543\"\u003eSoft, non-plasticky feel\u003c\/strong\u003e compared to typical air pillows\u003c\/li\u003e\n\u003cli data-end=\"1658\" data-start=\"1606\" data-section-id=\"ggfonu\"\u003e\n\u003cstrong data-end=\"1631\" data-start=\"1608\"\u003eAdjustable firmness\u003c\/strong\u003e for personalized support\u003c\/li\u003e\n\u003cli data-end=\"1715\" data-start=\"1659\" data-section-id=\"buydlk\"\u003e\n\u003cstrong data-end=\"1689\" data-start=\"1661\"\u003eWorks with sleeping pads\u003c\/strong\u003e using PillowLock system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1720\" data-start=\"1717\"\u003e\n\u003ch3 data-end=\"1735\" data-start=\"1722\" data-section-id=\"q0n6xz\"\u003eKey Specs\u003c\/h3\u003e\n\u003cul data-end=\"1945\" data-start=\"1736\"\u003e\n\u003cli data-end=\"1774\" data-start=\"1736\" data-section-id=\"brv133\"\u003eWeight: ~2.8–4 oz (varies by size)\u003c\/li\u003e\n\u003cli data-end=\"1810\" data-start=\"1775\" data-section-id=\"fzh7wh\"\u003ePacked Size: roughly palm-sized\u003c\/li\u003e\n\u003cli data-end=\"1839\" data-start=\"1811\" data-section-id=\"1i1r1dd\"\u003eThickness: up to ~4–5 in\u003c\/li\u003e\n\u003cli data-end=\"1908\" data-start=\"1840\" data-section-id=\"wp96p5\"\u003eConstruction: Air chamber with synthetic fill + soft knit fabric\u003c\/li\u003e\n\u003cli data-end=\"1945\" data-start=\"1909\" data-section-id=\"1l03b5j\"\u003eValve: Multi-function mini valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1950\" data-start=\"1947\"\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2117\" data-start=\"1952\"\u003eIf you’re dialing in a bikepacking sleep system, this is one of the simplest upgrades you can make. Better sleep means better recovery—and better rides the next day.\u003c\/p\u003e","brand":"Sea to Summit","offers":[{"title":"Picante Red \/ Regular","offer_id":51973995659495,"sku":"00422","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Picante Red \/ Large","offer_id":51973995757799,"sku":"00420","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Picante Red \/ X-Large","offer_id":51973995856103,"sku":null,"price":69.95,"currency_code":"USD","in_stock":true},{"title":"Burnt Olive \/ Regular","offer_id":51973995692263,"sku":null,"price":54.95,"currency_code":"USD","in_stock":true},{"title":"Burnt Olive \/ Large","offer_id":51973995790567,"sku":null,"price":59.95,"currency_code":"USD","in_stock":true},{"title":"Burnt Olive \/ X-Large","offer_id":51973995888871,"sku":null,"price":69.95,"currency_code":"USD","in_stock":true},{"title":"Mediterranea \/ Regular","offer_id":51973995725031,"sku":"00421","price":54.95,"currency_code":"USD","in_stock":true},{"title":"Mediterranea \/ Large","offer_id":51973995823335,"sku":"00419","price":59.95,"currency_code":"USD","in_stock":true},{"title":"Mediterranea \/ X-Large","offer_id":51973995921639,"sku":null,"price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1969\/2472\/files\/sea-to-summit-bikepacking-gear-sea-to-summit-aeros-premium-pillow-1232103794.webp?v=1776048669"},{"product_id":"sea-to-summit-ascent-down-sleeping-bag","title":"Sea to Summit Ascent Down Sleeping Bag Rainforest Green","description":"\u003ch2 data-end=\"107\" data-start=\"66\" data-section-id=\"vmreg5\"\u003eSea to Summit Ascent Down Sleeping Bag\u003c\/h2\u003e\n\u003cp data-end=\"427\" data-start=\"109\"\u003eThe \u003cstrong data-end=\"155\" data-start=\"113\"\u003eSea to Summit Ascent Down Sleeping Bag\u003c\/strong\u003e is built for riders and adventurers who want one bag to handle it all. Designed as a true \u003cstrong data-end=\"287\" data-start=\"246\"\u003ethree-season backcountry sleeping bag\u003c\/strong\u003e, the Ascent blends warmth, versatility, and comfort with a relaxed fit that makes it as enjoyable at camp as it is deep in the backcountry.\u003c\/p\u003e\n\u003cp data-end=\"711\" data-start=\"429\"\u003eAt the core is \u003cstrong data-end=\"484\" data-start=\"444\"\u003e750+ fill power Ultra-Dry goose down\u003c\/strong\u003e, delivering lightweight warmth and reliable performance even in damp conditions. When temperatures drop, cinch the technical hood, seal in heat with the draft-tube protected zippers, and stay comfortable through cold nights.\u003c\/p\u003e\n\u003cp data-end=\"958\" data-start=\"713\"\u003eAs conditions warm up, the Ascent really shines. The innovative \u003cstrong data-end=\"801\" data-start=\"777\"\u003eFree-Flow Zip system\u003c\/strong\u003e allows multiple ventilation configurations—open it partially for airflow, fully unzip to use it as a quilt, or vent the footbox to fine-tune your comfort.\u003c\/p\u003e\n\u003cp data-end=\"1237\" data-start=\"960\"\u003eWith a \u003cstrong data-end=\"988\" data-start=\"967\"\u003erelaxed mummy fit\u003c\/strong\u003e, the Ascent offers more room to move than traditional ultralight bags while still maintaining thermal efficiency. Box baffle construction and vertical chest baffles help keep insulation evenly distributed, maximizing warmth where it matters most.\u003c\/p\u003e\n\u003cp data-end=\"1416\" data-start=\"1239\"\u003eWhether you're bikepacking, backpacking, or setting up a comfortable camp after a long day on the trail, the Ascent is designed to adapt—so you don’t have to pack multiple bags.\u003c\/p\u003e\n\u003chr data-end=\"1421\" data-start=\"1418\"\u003e\n\u003ch3 data-end=\"1439\" data-start=\"1423\" data-section-id=\"1iz91iu\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-end=\"2065\" data-start=\"1440\"\u003e\n\u003cli data-end=\"1525\" data-start=\"1440\" data-section-id=\"1f4bpfd\"\u003e\n\u003cstrong data-end=\"1476\" data-start=\"1442\"\u003e750+ fill power Ultra-Dry Down\u003c\/strong\u003e for lightweight warmth and moisture resistance\u003c\/li\u003e\n\u003cli data-end=\"1606\" data-start=\"1526\" data-section-id=\"brog30\"\u003e\n\u003cstrong data-end=\"1552\" data-start=\"1528\"\u003eFree-Flow Zip system\u003c\/strong\u003e for unmatched ventilation and multi-use versatility\u003c\/li\u003e\n\u003cli data-end=\"1671\" data-start=\"1607\" data-section-id=\"1uua2xa\"\u003e\n\u003cstrong data-end=\"1638\" data-start=\"1609\"\u003eTrue 3-season performance\u003c\/strong\u003e for a wide range of conditions\u003c\/li\u003e\n\u003cli data-end=\"1740\" data-start=\"1672\" data-section-id=\"eb2t09\"\u003e\n\u003cstrong data-end=\"1695\" data-start=\"1674\"\u003eRelaxed mummy fit\u003c\/strong\u003e for comfort without sacrificing efficiency\u003c\/li\u003e\n\u003cli data-end=\"1822\" data-start=\"1741\" data-section-id=\"1qfslox\"\u003e\n\u003cstrong data-end=\"1770\" data-start=\"1743\"\u003eBox baffle construction\u003c\/strong\u003e with vertical torso baffles to prevent down shift\u003c\/li\u003e\n\u003cli data-end=\"1917\" data-start=\"1823\" data-section-id=\"1446tbd\"\u003e\n\u003cstrong data-end=\"1861\" data-start=\"1825\"\u003e20D recycled nylon shell \u0026amp; liner\u003c\/strong\u003e with DWR finish for durability and weather resistance\u003c\/li\u003e\n\u003cli data-end=\"1994\" data-start=\"1918\" data-section-id=\"xq390p\"\u003e\n\u003cstrong data-end=\"1942\" data-start=\"1920\"\u003eConvertible design\u003c\/strong\u003e—use as a sleeping bag, quilt, or wearable at camp\u003c\/li\u003e\n\u003cli data-end=\"2065\" data-start=\"1995\" data-section-id=\"sojbkm\"\u003e\n\u003cstrong data-end=\"2024\" data-start=\"1997\"\u003eZip coupling compatible\u003c\/strong\u003e with select Sea to Summit women’s bags\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2070\" data-start=\"2067\"\u003e\n\u003ch3 data-end=\"2101\" data-start=\"2072\" data-section-id=\"11oqhle\"\u003eSpecs (Regular – Approx.)\u003c\/h3\u003e\n\u003cul data-end=\"2275\" data-start=\"2102\"\u003e\n\u003cli data-end=\"2145\" data-start=\"2102\" data-section-id=\"9mobjk\"\u003e\n\u003cstrong data-end=\"2117\" data-start=\"2104\"\u003eBest Use:\u003c\/strong\u003e Backpacking \/ Bikepacking\u003c\/li\u003e\n\u003cli data-end=\"2204\" data-start=\"2146\" data-section-id=\"zd3hvh\"\u003e\n\u003cstrong data-end=\"2171\" data-start=\"2148\"\u003eTemperature Rating:\u003c\/strong\u003e ~30°F \/ -1°C (varies by model)\u003c\/li\u003e\n\u003cli data-end=\"2242\" data-start=\"2205\" data-section-id=\"mw2khx\"\u003e\n\u003cstrong data-end=\"2218\" data-start=\"2207\"\u003eWeight:\u003c\/strong\u003e ~1 lb 11.6 oz (782 g)\u003c\/li\u003e\n\u003cli data-end=\"2275\" data-start=\"2243\" data-section-id=\"w4fcf5\"\u003e\n\u003cstrong data-end=\"2267\" data-start=\"2245\"\u003eCompressed Volume:\u003c\/strong\u003e ~5.5L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2280\" data-start=\"2277\"\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2504\" data-start=\"2282\"\u003eIf you want one sleeping bag that can handle everything from cool summer nights to shoulder-season adventures, the Ascent lives up to its name—climbing above typical single-purpose designs with true all-around performance.\u003c\/p\u003e","brand":"Sea to Summit","offers":[{"title":"30 degree \/ Regular","offer_id":51976922824935,"sku":"S1113","price":399.0,"currency_code":"USD","in_stock":true},{"title":"30 degree \/ Long","offer_id":51976943534311,"sku":"S1114","price":429.0,"currency_code":"USD","in_stock":true},{"title":"15 degree \/ Regular","offer_id":51976943501543,"sku":"S1123","price":449.0,"currency_code":"USD","in_stock":true},{"title":"15 degree \/ Long","offer_id":51976943567079,"sku":"S1124","price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1969\/2472\/files\/sea-to-summit-sleeping-bag-sea-to-summit-ascent-down-sleeping-bag-rainforest-green-1232283718.webp?v=1776092108"},{"product_id":"sea-to-summit-spark-down-sleeping-bag-beluga-black","title":"Sea to Summit Spark Down Sleeping Bag Beluga Black","description":"\u003ch2 data-section-id=\"1v916ds\" data-start=\"69\" data-end=\"109\"\u003eSea to Summit Spark Down Sleeping Bag\u003c\/h2\u003e\n\u003cp data-start=\"111\" data-end=\"432\"\u003eThe \u003cstrong data-start=\"115\" data-end=\"156\"\u003eSea to Summit Spark Down Sleeping Bag\u003c\/strong\u003e is built for riders and ultralight adventurers who count every gram but still demand real backcountry performance. Designed for \u003cstrong data-start=\"285\" data-end=\"331\"\u003efast-and-light backpacking and bikepacking\u003c\/strong\u003e, the Spark delivers exceptional warmth-to-weight efficiency in a minimalist, highly packable design.\u003c\/p\u003e\n\u003cp data-start=\"434\" data-end=\"733\"\u003eAt its core is \u003cstrong data-start=\"449\" data-end=\"489\"\u003e900+ fill power Ultra-Dry goose down\u003c\/strong\u003e, offering industry-leading loft, compressibility, and reliable insulation in variable conditions. Wrapped in ultra-light \u003cstrong data-start=\"611\" data-end=\"632\"\u003e10D nylon fabrics\u003c\/strong\u003e, the Spark disappears into your pack while still delivering serious warmth when temperatures drop.\u003c\/p\u003e\n\u003cp data-start=\"735\" data-end=\"976\"\u003eThe Spark isn’t just about saving weight—it’s about adaptability. The \u003cstrong data-start=\"805\" data-end=\"829\"\u003eFree-Flow Zip system\u003c\/strong\u003e provides multiple ventilation options, allowing you to fine-tune airflow, vent heat, or fully open the bag into a quilt when conditions warm up.\u003c\/p\u003e\n\u003cp data-start=\"978\" data-end=\"1310\"\u003eDespite its ultralight focus, the Spark maintains comfort with an \u003cstrong data-start=\"1044\" data-end=\"1069\"\u003eergonomic mummy shape\u003c\/strong\u003e, technical hood, and anatomical footbox that maximize thermal efficiency without feeling overly restrictive. A combination of vertical chest baffles and box-wall construction helps keep insulation evenly distributed for consistent warmth.\u003c\/p\u003e\n\u003cp data-start=\"1312\" data-end=\"1519\"\u003eWhether you’re chasing long-distance miles, dialing in a minimalist bikepacking setup, or simply looking for the lightest possible sleep system, the Spark is designed to go further—without weighing you down.\u003c\/p\u003e\n\u003chr data-start=\"1521\" data-end=\"1524\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"1526\" data-end=\"1542\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"1543\" data-end=\"2123\"\u003e\n\u003cli data-section-id=\"pmzqld\" data-start=\"1543\" data-end=\"1622\"\u003e\n\u003cstrong data-start=\"1545\" data-end=\"1579\"\u003e900+ fill power Ultra-Dry Down\u003c\/strong\u003e for maximum warmth-to-weight performance\u003c\/li\u003e\n\u003cli data-section-id=\"189u36x\" data-start=\"1623\" data-end=\"1702\"\u003e\n\u003cstrong data-start=\"1625\" data-end=\"1665\"\u003eUltralight 10D shell \u0026amp; liner fabrics\u003c\/strong\u003e for minimal packed size and weight\u003c\/li\u003e\n\u003cli data-section-id=\"has9pp\" data-start=\"1703\" data-end=\"1775\"\u003e\n\u003cstrong data-start=\"1705\" data-end=\"1729\"\u003eFree-Flow Zip system\u003c\/strong\u003e for ventilation and quilt-style versatility\u003c\/li\u003e\n\u003cli data-section-id=\"yzeaeg\" data-start=\"1776\" data-end=\"1837\"\u003e\n\u003cstrong data-start=\"1778\" data-end=\"1802\"\u003eUltralight mummy fit\u003c\/strong\u003e optimized for thermal efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1lrqk0x\" data-start=\"1838\" data-end=\"1923\"\u003e\n\u003cstrong data-start=\"1840\" data-end=\"1895\"\u003eBox baffle construction with vertical chest baffles\u003c\/strong\u003e to prevent down migration\u003c\/li\u003e\n\u003cli data-section-id=\"ftmotp\" data-start=\"1924\" data-end=\"1997\"\u003e\n\u003cstrong data-start=\"1926\" data-end=\"1967\"\u003eTechnical hood and anatomical footbox\u003c\/strong\u003e for improved heat retention\u003c\/li\u003e\n\u003cli data-section-id=\"16fz4xf\" data-start=\"1998\" data-end=\"2058\"\u003e\n\u003cstrong data-start=\"2000\" data-end=\"2030\"\u003eHighly compressible design\u003c\/strong\u003e for fast-and-light travel\u003c\/li\u003e\n\u003cli data-section-id=\"1wwjirt\" data-start=\"2059\" data-end=\"2123\"\u003e\n\u003cstrong data-start=\"2061\" data-end=\"2088\"\u003eZip coupling compatible\u003c\/strong\u003e with select Sea to Summit models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2125\" data-end=\"2128\"\u003e\n\u003ch3 data-section-id=\"11oqhle\" data-start=\"2130\" data-end=\"2159\"\u003eSpecs (Regular – Approx.)\u003c\/h3\u003e\n\u003cul data-start=\"2160\" data-end=\"2343\"\u003e\n\u003cli data-section-id=\"1gwg4c0\" data-start=\"2160\" data-end=\"2214\"\u003e\n\u003cstrong data-start=\"2162\" data-end=\"2175\"\u003eBest Use:\u003c\/strong\u003e Ultralight Backpacking \/ Bikepacking\u003c\/li\u003e\n\u003cli data-section-id=\"zd3hvh\" data-start=\"2215\" data-end=\"2273\"\u003e\n\u003cstrong data-start=\"2217\" data-end=\"2240\"\u003eTemperature Rating:\u003c\/strong\u003e ~30°F \/ -1°C (varies by model)\u003c\/li\u003e\n\u003cli data-section-id=\"1cul2jh\" data-start=\"2274\" data-end=\"2310\"\u003e\n\u003cstrong data-start=\"2276\" data-end=\"2287\"\u003eWeight:\u003c\/strong\u003e ~1 lb 5.8 oz (619 g)\u003c\/li\u003e\n\u003cli data-section-id=\"w4gz8n\" data-start=\"2311\" data-end=\"2343\"\u003e\n\u003cstrong data-start=\"2313\" data-end=\"2335\"\u003eCompressed Volume:\u003c\/strong\u003e ~5.3L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2345\" data-end=\"2348\"\u003e\n\u003cp data-start=\"2350\" data-end=\"2526\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf your goal is to go lighter, faster, and farther, the Spark lives up to its name—delivering premium warmth and versatility in one of the most compact sleep systems available.\u003c\/p\u003e","brand":"Sea to Summit","offers":[{"title":"30 degree \/ Regular","offer_id":51977018605799,"sku":null,"price":549.0,"currency_code":"USD","in_stock":true},{"title":"30 degree \/ Long","offer_id":51977018671335,"sku":null,"price":579.0,"currency_code":"USD","in_stock":true},{"title":"15 degree \/ Regular","offer_id":51977018638567,"sku":null,"price":649.0,"currency_code":"USD","in_stock":true},{"title":"15 degree \/ Long","offer_id":51977018704103,"sku":null,"price":689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/1969\/2472\/files\/sea-to-summit-sleeping-bag-sea-to-summit-spark-down-sleeping-bag-beluga-black-1232283698.webp?v=1776091869"}],"url":"https:\/\/ottawabikeandtrail.com\/collections\/sleeping-bag.oembed","provider":"Ottawa Bike and Trail, LLC","version":"1.0","type":"link"}