nylon hiking backpack 420D ripstop,waterproof material SBS zipper. 28-80L MOQ:500PCS clients's color avaliable nylon hiking backpackpecifications:1) Re-designed support system with technical padding2) Weatherproof zips3) Two handles for easier positioning4) Access to main compartment from side and under front bag5) Deflected hip strap with mesh pocket6) Front strap with whistle7) Expanding ...