Sea to Summit Spark Down 0deg Sleeping Bag Counting Sheep The Spark Down Sleeping Bag is so functional and comfortable that you'll never want to get out of bed. Designed to be used on ultralight overnights, it's insulated with cruelty-free goose down and treated to keep you dry in damp conditions. The mummy shape is optimal for keeping you cozy so you're not sacrificing a good night's sleep for a lighter load. Sleep in comfort while backpacking, bike-touring, or winter camping and enjoy more nights under the stars without the extra weight. Features Super-soft-lightweight-comfort insulated with cruelty-free goose down Included compression sack so you can stay ultralight and save space in your pack Full-length zipper to use increase air flow or couple with women's bag Retain warmth with draft collar and super cinched adjustable hood to keep cold air out Mummy shape for optimal comfort and a unisex fit MFG#: S2144SPECIFICATIONSIntended Use Ultralight backpacking Season4 season Fit Unisex - regular / long Insulation850+ filpower goose down (RDS-certified)Materials Ultra-dry down treatment for damp conditions, polyester Temperature Rating - Lower Limit0deg F / -18deg CSizing Size Regular Long Weight2 lb 7. 3 oz / 1113 g2 lb 10. 5 oz / 1204 g Length / Girth (Shoulders, Hips, Feet)77. 2" / 61", 53", 40"83. 1" / 65", 57", 44"Packed Volume9. 9 L - comes with 20L compression sack10. 6 L - comes with 20L compression sack Max User Height6' 1"6' 6" | Sea To Summit | Spark Down Sleeping Bag (0F-18C) | Polyester