"What Our Gearhead® Experts Are Saying: ""Warmth-to-weight is stellar. It compresses to a true ‘small’ and still handles frosty starts.""We chase shoulder-season summits with the Spark 15F Down. High-loft fill, efficient baffles, and a streamlined cut deliver serious warmth without taxing pack space. Draft controls fine-tune comfort when temps hover well below freezing—ideal for fast, cold itineraries."
Price: $999.00 from Backcountry
| Merchant | Price | |
|---|---|---|
| $999.00 | Visit Store |
What Our Gearhead® Experts Are Saying: “This is the bag I point to for fast-and-light trips where nights stay mild but variable. It packs incredibly small, vents well, and still feels like a true sleeping bag—not a fragile summer quilt.”When miles...
"What Our Gearhead® Experts Are Saying: ""The Spark 0F blows me away with how warm it is for the weight. The box-baffle construction and 850+ down loft give it legit winter performance without the bulk. The full-length zipper makes it far more livable...
"What Our Gearhead® Experts Are Saying: ""The Spark 45F is my go-to when I want to keep my pack as light as possible without sacrificing real sleep. The down lofts quickly, the hood seals warmth better than most ultralight bags, and the 10D shell breathes...