{"product_id":"sea-to-summit-circuit-down-sleeping-bag-9-c","title":"Sea to Summit Circuit Down Sleeping Bag -9°C","description":"\u003cp\u003eDesigned with comfort and versatility at its core, the Sea to Summit Circuit is the perfect companion for every kind of overnight adventure. Whether you're settling into a tent at the campsite, heading into the hills for a weekend escape, or bedding down in the van after a long day outdoors, the Circuit delivers dependable warmth and a comfortable night's sleep. Combining practical performance with everyday ease of use, it's an ideal sleeping bag for campers, hikers, and van-lifers alike. This bag has a relaxed fit which opens flat for airflow on warm nights, or zips closed to lock in warmth when temperatures drop.\u003c\/p\u003e\n\u003cp\u003ePair up your Sea to Summit sleeping bag with a compatible liner for the ultimate sleep system. \u003ca href=\"https:\/\/rockrun.com\/collections\/sleeping-bag-liners\/sea-to-summit\" title=\"sea to summit sleeping bag liners\" rel=\"noopener\" target=\"_blank\"\u003eSleeping Bag Liners\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Help?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor further assistance on choosing your down sleeping bag, we have an article explaining fill power, the pros and cons of down over synthetic insulation and more info on caring for your bag available to view \u003cspan\u003ehere: \u003c\/span\u003e\u003ca title=\"Article: A guide to down sleeping bags...down explained\" href=\"https:\/\/rockrun.com\/blogs\/the-flash-rock-run-blog\/a-guide-to-down-sleeping-bags-buying-guide\"\u003eA Guide to Down Sleeping Bags\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComfort in all conditions. Opens flat for airflow on warm nights or zips closed to lock in warmth when temperatures drop.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEfficient packability, Quality 650+ fillpower, Ultra‑Dry Duck Down and lightweight fabrics allow the Circuit to pack down small into the supplied compression sack.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRoom to move Soft touch liner and wider, thermally-efficient shape enhance warmth and comfort, no matter which position you sleep in.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrecise ventilation. Wrap‑around zip lets you fully open the footbox for maximum venting and fine-tune airflow to regulate temperature.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLightweight breathability, Premium 20D fabric offers perfect next-to-skin comfort night after night after night.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConsistent insulation, Hybrid box‑baffle construction prevents down migration, eliminating cold spots for even warmth.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasy zipping YKK #5 coil zipper with anti‑snag plough ensures smooth, jam‑free operation in all conditions for hassle‑free use.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDraft protection Shaped collar and continuous down-filled draft tubes minimise heat loss and maximise retained warmth.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVerified warmth ISO 23537 certification confirms dependable insulation performance for rated temperatures.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInternal pocket Zipped pocket stores essentials like your phone or head torch securely while keeping them insulated from the cold.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLower impact materials: Constructed from Bluesign APPROVED, 100% recycled fabrics designed to go the distance.\u003c\/li\u003e\n\u003cli\u003eShape: Semi-rectangular fit: Spacious and generous, a roomy fit for car camping and side sleepers.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest Use: All Outdoor activities\u003c\/li\u003e\n\u003cli\u003eMaximum User Height:  Short: 170cm \/ Regular: 185cm \/ Long:  198cm\u003c\/li\u003e\n\u003cli\u003eComfort Temperature: -3°C\u003c\/li\u003e\n\u003cli\u003eComfort Temperature limit: -9°C\u003c\/li\u003e\n\u003cli\u003eShoulder width:  Short: 145cm \/ Regular: 158cm \/ Long: 168cm\u003c\/li\u003e\n\u003cli\u003eWaist With: Regular: \u003cmeta charset=\"utf-8\"\u003eShort: 140cm \/ 146cm \/ Long: 156cm\u003c\/li\u003e\n\u003cli\u003eFoot box width:  \u003cmeta charset=\"utf-8\"\u003eShort: 98cm \/ Regular: 119cm \/ Long: 129cm\u003c\/li\u003e\n\u003cli\u003eInsulated collar: Yes\u003c\/li\u003e\n\u003cli\u003eShell Fabric: Recycled 20-Denier shell and lining.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilling: Ultra-Dry duck down\u003c\/li\u003e\n\u003cli\u003eFill power: 650+\u003c\/li\u003e\n\u003cli\u003eWeight: \u003cmeta charset=\"utf-8\"\u003eShort: 1080g \/ Regular 1160g \/ Long: 1290g\u003c\/li\u003e\n\u003cli\u003eFill Weight: \u003cmeta charset=\"utf-8\"\u003eShort: 664g \/ Regular 714g \/ Long: 814g\u003c\/li\u003e\n\u003cli\u003eCompression Size: \u003cmeta charset=\"utf-8\"\u003eShort: 9L \/ Regular 9.7L \/ Long: 10.8L\u003c\/li\u003e\n\u003cli\u003eZip: Left\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Short","offer_id":57314005221749,"sku":"SS-DB-STSASC-9C-SHRT","price":276.0,"currency_code":"GBP","in_stock":false},{"title":"Regular","offer_id":57314005254517,"sku":"SS-DB-STSASC-9C-REG","price":276.0,"currency_code":"GBP","in_stock":false},{"title":"Long","offer_id":57314005287285,"sku":"SS-DB-STSASC-9C-LNG","price":297.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1554\/2851\/files\/SeatSummitCircuitDownSleepingBag_-9C15F_Regular_DarkBlue_ADDITIONAL_4.webp?v=1782313363","url":"https:\/\/rockrun.com\/es\/products\/sea-to-summit-circuit-down-sleeping-bag-9-c","provider":"Rock+Run","version":"1.0","type":"link"}