【Ergonomic Design】Lightweight cycling backpack Back lining and shoulder straps are all made of lightweight, breathable mesh fabric speeds up air-flow which can keep your back dry and comfortable while hiking.
【Highly Durable】This awesome running hydration vest backpack made of scratch-resistant and wear-resistant material with a lotus leaf-like waterproof effect. Cycling backpack measures 19.09”x8.27”x3.94”, weighs 0.97 lbs, and is sturdy and durable.
【Premium Quality Water Bladder】The 20L Hydration Pack Backpack comes with a 2L hydration water bladder. A switch valve and a cover cap make double leak-proof.
【Security and Multiple Storage 】Water backpack for hiking Reflective trim for night safety, has multiple pockets can store various necessities outdoor.
【Extensive Applications】This hydration pack is Perfect sports gear you hydrated while, cycling, hiking, skiing, climbing, race and training or any adventure outdoors.