MIYCOO Hydration Backpack - Hiking Water Backpack with 2L Water Bladder | Running Hydration Vest Backpack for Men Women, Lightweight Hydration Pack for Hiking, Cycling, Climbing

[Ample Space]: This hydropack hiking backpack features 5 pockets including a water bladder pocket, a front zipper pocket, a main pocket (for storing hydration bladder, towels, clothes, snacks, sunglasses, phone, keys), and two cell phone pockets on the shoulder straps. With the elastic cord, more hiking gear can be attached. [Insulated Bladder Bag]: You can put the ice pack into this insulated hydration bladder pocket to keep water cold for 4 hours, making you enjoy cold drink on the go. [2L Large Hydration Bladder]: This hiking backpack includes a food-grade, BPA-free, and odorless water bladder. Its leak-proof performance is good due to the thickened design. [Leak-proof & Wide Opening]: The upgraded opening design of the internal bladder is fully leak-proof and keeps easy filling and cleaning. [Breathable Mesh Shoulder Straps]: Equipped with the ventilated mesh shoulder straps on this water backpack a hiking backpack, for air circulation, keeping you cool and preventing discomfort due to accumulated heat. This adjustable shoulder strap is made of silica gel, which is more comfortable to wear than cotton. Minimize pressure with its ergonomic design. This running hydration vest is lightweight enough to make it comfortable when running, hiking, cycling, biking,riding or marathon training.