UNIQUE TWO-LAYER design, Versatile, can Convert into a Quilt, unzip the top layer or the bottom to adjust temperature. USED FOR 3 SEASONS, designed for 37~42℉/ 3~6℃; ULTRALIGHT (Only 1.74 lbs) and COMPACT (Packed size 10” × 7”), stuff sack included, easily fit in any backpack. Every ounce matter for backpackers, unlike other heavy bulky ones, this light 3M sleeping bag will provide you a great backpacking trip..3M Thinsulate Insulation Filling, warm yet lightweight, powerful yet thin. It helps trap body heat, while allowing moisture to escape; Featherless, ECO-FRIDENDLY, a kinder alternative to feathers; Water Resistant, 100% Polyester, synthetic fibers absorb less than 1% of their weight in water; 20D nylon fabric, soft, skin-friendly, ultralight, durable, and windproof.Unpacked size 82.6” × 29.5”, can fit most people up to 6’10”; With the buttons, you can fold the bottom up and make it one youth sleeping bag. 3D Adjustable Drawstring Hood Construction; Sleeve on the top to hold your pillow in place; Full Length Two Way Anti-Snag YKK Zippers, unzip the bottom to stretch your feet out on warm nights.MACHINE WASHABLE. Spot-clean as needed with a damp sponge. Machine-wash only when necessary in a large capacity, front-loading washing machine. Select cold water and a delicate cycle with two rinses and an additional spin cycle..Perfect for various outdoor activities, such as backpacking, camping, travelling, hiking, adventure, motorcycling, mountaineering, etc. It is also a great choice for hotel use..Lifetime warranty: We stand behind our products and offer a limited lifetime warranty against manufacturer defects.