{"product_id":"sea-to-summit-spark-pro-ultralight-down-sleeping-bag-15-f-regular","title":"Sea to Summit Spark Pro Ultralight Down Sleeping Bag - 15°F, Regular","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Sea to Summit Spark Pro Ultralight Down Sleeping Bag brings high-altitude warmth into a featherweight shell. Designed for backpackers, bike-packers, and touring enthusiasts, its mummy silhouette minimizes cold exposure while maximizing comfort and packability.\u003c\/p\u003e\n\u003ch3\u003eWhy it shines in the field\u003c\/h3\u003e\n\u003cp\u003eThis bag centers on premium warmth with a modern edge: a high-loft goose down fill, moisture-friendly treatment, and a compact profile that folds down to a tiny footprint in your pack. It’s the kind of gear that makes cool evenings feel more manageable and trips more enjoyable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e950+ fill power goose down with Responsible Down Standard certification, treated with Ultra-Dry Down to help loft stay strong when moisture is present\u003c\/li\u003e\n  \u003cli\u003e10D nylon shell with a PFC-free DWR finish for lightweight weather resistance\u003c\/li\u003e\n  \u003cli\u003eBreathable 10D liner enhances comfort and manages moisture during sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign and warmth that adapt to conditions\u003c\/h3\u003e\n\u003cp\u003eThe bag uses a contoured mummy shape with a hood and an effective draft collar around the neck, plus oversized shoulders to maintain warmth without restricting sleep. A front draft and thoughtful zippers reduce temperature leaks while keeping movement easy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e15°F (−9°C) rating with full box baffles for maximum warmth, while the 30°F option uses a lighter baffle layout for weight savings\u003c\/li\u003e\n  \u003cli\u003eFree Flow Zip system with a YKK #5 side zipper and zipper plow ensures snag-free operation; lighter #3 zippers at the footbox\/shoulder zones minimize bulk\u003c\/li\u003e\n  \u003cli\u003eHighly breathable 10D liner and 10D shell combine warmth with comfort during longer nights\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePractical extras include a compact Ultra-Sil compression sack and a storage cube. Sea to Summit backs the Spark Pro with a lifetime guarantee against defects, underscoring its durability for serious travel and adventure. The bag is offered in Regular (up to 6 ft) and Long (up to 6 ft 6 in), with two temperature options to suit different climates and activities.\u003c\/p\u003e\n\u003ch3\u003eWho should consider it\u003c\/h3\u003e\n\u003cp\u003eIdeal for those who value warmth without excess weight—think three-season treks, bikepacking jaunts, and light touring. The Spark Pro can be a reliable companion when you want reliable insulation, quick packing, and a comfortable night under the stars.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes the Spark Pro 15°F model stand out?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses 950+ fill down with Ultra-Dry treatment and full box baffles to maximize warmth while keeping weight down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this bag suitable for 3-season backpacking?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it's designed for a balance of warmth and light weight on backpacking trips, bikepacking, and touring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sea to Summit","offers":[{"title":"Default Title","offer_id":41898381770832,"sku":"B0CTD9S2ZN","price":1286.61,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/9645\/8576\/files\/sea-to-summit-spark-pro-ultralight-down-sleeping-bag-hood-draft-collar.jpg?v=1765582125","url":"https:\/\/canadawildco.com\/products\/sea-to-summit-spark-pro-ultralight-down-sleeping-bag-15-f-regular","provider":"Canada WildCo. | Hunting Gear, Fishing Equipment \u0026 Outdoor Essentials for the Canadian Wild","version":"1.0","type":"link"}