New! Never used! Backpack, bladder and cleaning kit all included! - Cloth, buckle, zipper and webbing are all made from the high-grade material, sturdy and durable. Cloth is water resistant to secure your gear inside. - Main pocket can hold either large or small opening water bladder, compatible with most of bladders on the market. Two front pockets are used to place personal items T-shirt, toiletries etc. The MOLLE suspension system expands to attach more items. - Shoulder, chest and waist straps can all be adjusted to your comfortable size, keep the pack snug to your back. - Three breathable mesh pads at the backside make rapid air flow, while even the weight to your back for ultra relaxed carrying​. - Hygienic leak proof 2L hydration reservoir​ With large diameter water inlet, bladder is easy to clean, fill water and add ice cubes. - Drinking tube still has factory plastic on mouth piece. Features & details - Streamlined and Compact Design: 19.7”x8.7”x2.6” in size. Ergonomically fits for your shoulders, chest, and waist. 3 straps are all adjustable for reducing bounce. Soft air mesh back speeds up air-flow and makes your back cool. Foam padded shoulder straps are extremely comfortable. - Reliable Material: Heavy duty 1000 Denier water repellent nylon with superior wear resistance. Engineering plastic buckle is durable and impact resistant; Military grade webbing is strong, anti fading; SBS brand zipper is reliable and long lasting. - Practical Functions: 1 main pocket fits up to 3L water reservoir with either large or small opening. 2 front pockets for storing personal belongings wallet, gadget, towel, phone, keys. The MOLLE system allows you to carry more items. - Professional 2L Hydration Bladder: Made of 100% BPA free, food grade. Large opening is easy to clean and add ice cubes. - Fits chest sizes 26-51 in.