ZOMAKE 25L Waterproof Hiking Backpack Hydration Packs Fits Men and Women for Cycling Climbing Skiing, Free Rain Cover Included Coated in a waterproofing Various Usage--25L Backpack Suit for short distance outdoor travel, hiking, mountain climbing, Cycling, Riding and other outdoor sports. Just right for youth and adults for light backpacking trips PRACTICALITY: There is a compartment in the main pocket designed for putting 3L Hydration Bladder, keeping you hydrated for a day when you are in various sports activities STRAPS: Multi-position adjustable torso fits wide range of body sizes. Breathable Mesh Back Panel make the heat quickly spread out, breathable perspiration and resistance to sweat make your back feel pretty comfortable when you carry the backpack for a long time. The design of Thick Shoulder Straps relieve weight on the shoulder DESIGNED: With unique helmet net which is a good helper for outdoor cycling. Front mesh storage pocket with hook and loop closure for hanging tools and sports gear QUALITY: Made from a lightweight and durable TechLife Diamond Waterproof Nylon, high quality pull string zippers, good ventilation, no deformation, Super versatile and multi-functional RAIN COVER: It can protect your stuff from the rain,Hydration Bladder is NOT INCLUDED