{"product_id":"sea-to-summit-spark-pro-down-sleeping-bag-9-c","title":"Sea to Summit Spark Pro Down Sleeping Bag -9°C","description":"\u003cp\u003eBoasting an impressive 900+ FILL Power, RDS-certified, Goose Down with Ultra Dry, the Sea to Summit Spark Pro -9°C sleeping bag is the only option for ultralight backpacking adventures that puts comfort at the forefront. With the ability to be adapted to a range of conditions, the Spark Pro is as lightweight as it is versatile and functional. The optimal warmth-to-weight ratio makes this bag as comfortable as it is compact and easily packable.\u003c\/p\u003e\n\u003cp\u003eUltralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user.\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:\/\/rockrn.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 href=\"https:\/\/rockrn.com\/blogs\/the-flash-rock-run-blog\/a-guide-to-down-sleeping-bags-buying-guide\" title=\"Article: A guide to down sleeping bags...down explained\"\u003eA Guide to Down Sleeping Bags\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e900+ FILL Power, RDS-certified, Goose Down with Ultra Dry\u003c\/li\u003e\n\u003cli\u003eDown treatment for improved water resistance in damp conditions\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFeaturing 10-Denier Nylon shell and lining fabric, these lightweight fabrics offer breathability, protection and effective temperature regulation for premium comfort in the outdoors.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e10D Nylon's waterproof and breathable features offer added protection and prevents exposure to tent wall condensation.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMummy Fit: Fitted cut with generous footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFree Flow Zip System: Primary zip - full length #5 with zip-plow and two sliders. Secondary zip - 1\/4 length #3 with zip-plow and two sliders. Footbox zip - #3 with two sliders.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpark Pro -1 Vertical chest baffles, horizontal baffles lower half and base, box wall baffles top half of bag and sewn through quilted construction lower half. Spark Pro -9 Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFitted front draft collar: scalloped over the neck and oversized at the shoulders.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTechnical fitted hood with soft touch adjustment. Extra deep for cosy like feel.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePairs with Women's Sea to Summit bags.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuiltLock: Every Sea to Summit sleeping back features the QuiltLock system that uses the snap locks located at the shoulder and foot end of Sea to Summit sleeping bags plus the quilt footbox \/ quilt straps to secure a quilt to the sleeping bag. This adds thermal performance and versatility to your sleep system: your integrated Sea to Summit quilt now works for ultralight summer adventures and turns your three-season bag into a four-season sleep system.\u003c\/li\u003e\n\u003cli\u003eDraft tube\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\u003eMaximum User Height:  Regular: 185cm \/  - Long: 198cm\u003c\/li\u003e\n\u003cli\u003eComfort Temperature: -2°C\u003c\/li\u003e\n\u003cli\u003eComfort Temperature limit:  -9°C\u003c\/li\u003e\n\u003cli\u003eShoulder width:  Regular: 155cm \/ Long: 165cm\u003c\/li\u003e\n\u003cli\u003eWaist With: Regular: 135cm \/ Long: 145cm\u003c\/li\u003e\n\u003cli\u003eFoot box width:  Regular: 102cm \/ Long: 112cm\u003c\/li\u003e\n\u003cli\u003eInsulated collar: Yes\u003c\/li\u003e\n\u003cli\u003eShell Fabric: 10-Denier Nylon shell and lining. 10-Denier Nylon waterproof-breathable hood and footbox. Nylon waterproof-breathable hood and footbox.\u003c\/li\u003e\n\u003cli\u003eFilling: Ultra-Dry goose down\u003c\/li\u003e\n\u003cli\u003eFill power: 900+\u003c\/li\u003e\n\u003cli\u003eWeight: Regular: 784g \/ Long: 861g\u003c\/li\u003e\n\u003cli\u003eFill Weight: Regular: 480g \/ Long: 504g\u003c\/li\u003e\n\u003cli\u003eCompression Size: 13L\u003c\/li\u003e\n\u003cli\u003eZip: Left\u003c\/li\u003e\n\u003cli\u003eDraft tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Regular","offer_id":43864442077365,"sku":"SS-DB-STSSPRKPRO-9C-REG","price":480.0,"currency_code":"GBP","in_stock":false},{"title":"Long","offer_id":43864442110133,"sku":"SS-DB-STSSPRKPRO-9C-LNG","price":512.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1554\/2851\/files\/SparkProDownSleepingBag-1C-30FRegular_ASL041071-050103_USP_2_1ddcdf65-40d5-4887-8e08-ce1a403d83c8.jpg?v=1785464818","url":"https:\/\/rockrn.com\/products\/sea-to-summit-spark-pro-down-sleeping-bag-9-c","provider":"Rock+Run","version":"1.0","type":"link"}