Product Review

Features:
Seibertron Helment Backpack External dimensions:19"(H) x 11"(W) x 11"(D),waist belt MAX:45 Inch,chest belt MAX:60 Inch
Huge expandable main compartment - with interior meshed enclosure for small gear
Large middle compartment - Zippered interior small gear pouches
One small compartments for smaller gear (Glasses and so on)
Side and Top cinched down gear security straps Numerous Molle Loops
The Backpack is constructed by waterproof 900D material,But zipper not waterproof.
The zipper use High strength thicken alloy material