Structure
1.Exterior: One zipped front pocket, Two mesh side pockets
2.Interior: One main pocket, one zipped pocket and one lining pocket
3.Outer Material: High strength abrasion nylon
Inner Material: Waterproof Silky Cotton
4.Back: Thicken Breathable Sponge
5.Hardware: Metal+Lengthen the Rope Pull Head
6.Adjustable Long Shoulder Strap: Military Nylon Fabrics
Non detachable Shoulder Strap
7.Chest Sliding Control System