External security password lock & hidden zipper pocket design, protect your valuables.
You can according to your need to adjusted the length.
Ergonomics mesh back design with breathable strap can relieves your shoulders of long carry-on.
It's light weight, waterproof and scratch resistant.
It's a great choice use for sports, camping, hiking, travel, working, biking, overnight trip and others occassions.
Hidden USB charing (Double ports ) port make your phone easy to charge when you at outdoors and travel It provide a hidden pocket at the back can protect your wallet and valuables from stolen.