VISM by NcStar Tactical Back Pack PALS compatible webbing on the front pockets and the bottom of the backpack Durable PVC construction Heavy Duty zippers Hydration bladder compatible, with a separate initial Padded shoulder straps with D-rings PALS compatible webbing on the front pockets and the bottom of the back pack. Durable PVC construction. Heavy Duty zippers. Padded shoulder straps with D-rings Heavy Duty carry straps on the top and side of the back pack