Bear Breathable System: the heat could quickly spread out, avoiding the embarrassment of sweat, also it's more comfortable for your back;Suspension System: breathable perspiration, relieve burdened.
Structure: a front pocket,a zipper front pocket, and zippered sleeping bag compartment and hidden top pocket; with hydration access on a side of the pack with water bladder sleeve in the main compartment.
Compression straps: For tying up your pack or hanging sleeping bag, tent, hammock, and other gears. Elastic bands on them can keep the extra strap from dangling all around the pack.
Bottom Compartment: zippered access. It comes with an internal zipper divider;
Material: Nylon Capacity: 55+5L Size: H25"x L 12.5"x W8"