Running Hydration Vest Backpack, Lightweight Insulated Pack with 1.5L Water

【Ergonomic and comfortable design】 INOXTO Hiking Backpack Water Bladder Vest Kit aligns your back while gently protecting your muscles. The ventilated mesh cover keeps your back cool by maintaining air circulation, preventing discomfort due to accumulated heat, and providing excellent air circulation and breathability. 【Ultra-lightweight design】 High-quality nylon material and ultra-lightweight design make it more comfortable to drive. The Sport Backpack weighs only 140 grams and can hold 1.5 liters in the main compartment. In addition, the left and right belts have pockets for storing 250 ml PET bottles. Next to the main pocket, there is a pocket for storing mobile phones and items, so you can jog while listening to music! 【Perfect Combination】 The lightweight cycling backpack comes with an adjustable hip belt and shoulder straps that can be changed to suit your torso.