{"product_id":"sea-to-summit-spark-ultralight-sleeping-bag-9-grey-yellow-745029","title":"Spark Ultralight Sleeping Bag -9","description":"\u003cp\u003eThe Spark Ultralight Mummy Sleeping Bag Series is built for every kind of adventure—from lightweight liners for summer getaways to warm, packable bags that’ll see you through chilly winter nights. Designed with premium materials and a fuss-free focus on performance, these bags keep things simple without skimping on quality.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUltralight doesn’t mean cramped; the Spark’s snug mummy shape is designed to keep the heat in, but still gives you enough room to move comfortably after a long day on the trail. Ideal for fast-moving, backcountry explorers who don’t want to carry a gram more than they need.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e850+ FILL Power, RDS-certified\u003c\/li\u003e\n\u003cli\u003eGoose Down with Ultra Dry Down treatment for improved water resistance in damp conditions\u003c\/li\u003e\n\u003cli\u003e10-Denier Nylon shell and lining\u003c\/li\u003e\n\u003cli\u003e10-Denier Nylon waterproof-breathable hood and footbox\u003c\/li\u003e\n\u003cli\u003eMummy Fit: Fitted cut with generous footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight\u003c\/li\u003e\n\u003cli\u003eSpark 7C\/45F \u0026amp; 1C\/30F Primary zip - 1\/2 length #5 with zip-plow and two sliders\u003c\/li\u003e\n\u003cli\u003eSpark -9C\/15F \u0026amp; -18C\/0F Primary zip - 3\/4 length #5 with zip-plow and two sliders\u003c\/li\u003e\n\u003cli\u003eVertical chest baffles, horizontal baffles, lower half and base\u003c\/li\u003e\n\u003cli\u003eSPARK 7C sewn through quilted construction throughout\u003c\/li\u003e\n\u003cli\u003eSPARK -1C\/30Fbox wall baffles top half of bag and sewn through quilted construction lower half\u003c\/li\u003e\n\u003cli\u003eSpark 7C, -1C \u0026amp; -9C Standard front draft collar. SPARK -18C Double draft collars\u003c\/li\u003e\n\u003cli\u003eSpark 7 \u0026amp; -1 can't be paired. Spark -9 \u0026amp; -18: Pairs with Women's Sea to Summit bags.\u003c\/li\u003e\n\u003cli\u003eQuiltLock System integrates with StS quilts\u003c\/li\u003e\n\u003cli\u003eBest Use: Ultralight Backpacking\u003c\/li\u003e\n\u003cli\u003eComes With: Ultra-Sil compression bag and storage cell\u003c\/li\u003e\n\u003cli\u003eInsulation: Ultra-Dry Goose Down 850+ Loft\u003c\/li\u003e\n\u003cli\u003eMaterial(s):10-Denier Nylon shell and lining\u003c\/li\u003e\n\u003cli\u003e10-Denier Nylon waterproof-breathable hood and footbox\u003c\/li\u003e\n\u003cli\u003eShape: Mummy Fit: Fitted cut with generous footbox and technical hood\u003c\/li\u003e\n\u003cli\u003eBEST USE: Ultralight adventures\u003c\/li\u003e\n\u003cli\u003ePERFORMANCE: Small pack size\u003c\/li\u003e\n\u003cli\u003eWEIGHT: 730g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Grey \/ One Size","offer_id":53570695627082,"sku":"003737356","price":409.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/8836\/8714\/files\/bl_745029_a.jpg?v=1767916132","url":"https:\/\/www.blacks.co.uk\/products\/sea-to-summit-spark-ultralight-sleeping-bag-9-grey-yellow-745029","provider":"Blacks","version":"1.0","type":"link"}