• Polyester
• Lightweight --you can easily roll up the sleep bag into the attached carrier, and convenient to carry,portable
• Backpacking sleeping bags--fall and winter can be used as the inner layer of the , as the inner layer of the .​,outdoor
• Sleeping bags for camping--lightweight and compact design, withstand weather conditions, convenient to carry outdoor,outdoor sleeping bags
• Warm --can be packed down into an ultra compact bag in seconds, it into the sturdy carrying bag, pull the straps,backpacking
• Adults --the light-weight and sturdy structure of this camping makes your hiking trip more pleasure, for adults