THE NORTH FACE DOLOMITE ONE SLEEPING BAG The North Face Dolomite One Sleeping Bag is a versatile sleeping bag for a range of temperatures. Camp more comfortably with the help of synthetic Heatseeker Eco and 700-fill power-down insulation. The back features synthetic insulation, resisting compression, the midlayer utilizes down for warmth without the weight, and the top features synthetic. In one bag, layer as necessary to get a 40°F, 20°F, or 5°F bag. The outdoors can be unpredictable, this bag means you only have to choose one. FEATURES The top layer features 50-degree-rated synthetic insulation for versatile use in warmer weather Mid layer features 30-degree-rated synthetic insulation for cool nights outdoors The two layers can pair to get a 15-degree bag for maximum versatility Zippers open from the bottom to allow for extra ventilation Watch pocket included The rectangular shape is super roomy for the ultimate comfortable experience The comfortable fleece lining on the mid-layer is super soft and makes you want to slide right in TECH SPECS Temp Rating: 15°F, 30°F, 50°F Total Weight: Reg - 5 lbs (2262 g) / Long - 5 lbs 13 oz (2623 g) Stuffsack Size: 11" x 20" (27.9 cm x 50.8 cm) Internal Length: Reg - 77" (196 cm) / Long - 83" (211 cm) Max User Height: Reg - 6' (183 cm) / Long - 6'6" (198 cm) Shell: 50D ciré polyester taffeta with non-PFC durable water-repellent (non-PFC DWR) finish Comfort lining: polyester Insulation: 30% recycled polyester cut-staple insulation