Every adventurer knows that Mother Nature is unpredictable, so packing for various climates is necessary when enjoying your outdoor playground to the fullest. Engineered with the reversible functionality of both a 35-degree and 50-degree sleeping bag, the Bantam Switch allows you to adapt to your conditions for optimal warmth and comfort while getting a good night??'s sleep. . FEATURES. . . . . . 120g Poly Hollow Fiber insulation doesn??'t shift or clump and provides consistent, cozy warmth.. . Lightweight 50D Poly Nylon Ripstop shell fabric provides a durable exterior, while soft polyester taffeta lining feels comfy against your skin. . . . SPECIFICATIONS. . . . . . External fabric: 50D Poly Ripstop. . Lining fabric: 50D P300T Taffeta Cire. . Insulation Construction 35 Degree Side: 2 layer offset quilt construction. . 35 degree side insulation: URP-RXKEF 120g x2 bonded. . Insulation Construction 50 Degree Side: Single layer quilt construction. . 50 degree side insulation: URP-RXKEF 140g x1 bonded. . 100 in. main zipper. . Tapered silhouette. . Hanging loops. . Total inside length: 78 in.. . Shoulder girth: 56 in.. . Hip girth: 38 in.. . Foot girth: 7 in.. . Stuffed Size: 9 x 18???. . Stuffed weight: 3 lbs., 3 oz.. . Stuff sack weight: 2.2 oz.. . Sleeping bag weight: 3 lbs., 1 oz.. . Imported. . . . . . NOTE: Do not store bag in stuff sack; compression for long periods of time will cause loss of loft. . Fair Trade Certified? factory