Fabric: 600Dx600D/PUx2, Micro, 210D/PUx2, 190T/PU Nylon
Capacity: 55L
Inside: Have an interlayer in main compartment
Mantle: Have a pocket
Backside: 2 Aluminium bars and EVA board back with PE board inside
Shoulder strap: "S" shape and adjustable
Bottom: Rain cover in the pocket