Therm-a-Rest Boost 650 32 Sleeping Bag Snug As A Bug In A Rug The Boost 650 32 Sleeping Bag offers customizable comfort for backpackers and campers. Its innovative Warm Zip(TM) center zipper allows you to adjust the bag's shape from a spacious semi-rectangular to a heat-efficient mummy style, adding up to 10degF of warmth when needed. Ideal for three-season use, this bag ensures a restful night's sleep in various conditions. Features Center zipper allows adjustments for customizable warmth and space Hydrophobic down provides lightweight insulation and retains warmth even in damp conditions Multi-use armholes for easy access and ventilation without leaving the bag Eco-friendly materials, made with 100% recycled nylon shell and liner MFG#: 14197SPECIFICATIONSIntended Use Backpacking, Camping Season3-season Temperature Limit32degF / 0degCInsulation650-fill-power hydrophobic down Material100% recycled nylon ripstop with PFAS-free DWR coating Sizes Unisex - regular, regular wide, long, long wide SIZINGSize Regular Regular Wide Long Long Wide Weight2 lb 2 oz / 964 g2 lb 6 oz / 1089 g2 lb 5 oz / 1049 g2 lb 14 oz / 1304 g Length72"72"78"78"Girth (shoulder, hip, foot)64", 60", 46"76", 74", 46"65", 61", 46"77", 75", 46"Packed Size6. 5" x 18"6. 5" x 18"6. 5" x 18"7. 5" x 20"Max User Height6'6'6' 6"6' 6" | Therm-A-Rest | Boost 650 32 Sleeping Bag | Nylon