hydration vest Product description Why choose INOXTO running Hydration vest? High quality zipper 2. Durable sewing reinforcement design (consolidation design, actual durability) 3. The night warning strip design can be used to warn under light source lighting (night warning rule design, night movement warning of arrival under light source illumination). Adjustable chest system for adjusting the position and length of the chest strap (pre-chest adjustable system, adjustable chest position and length) Water Bag PEVA Material BPA Free and odorless Pressure resistant and durable. PEVA Material The aqueduct is strong and durable, resistant to bending, bending and low temperature. Biting Suction Nozzle Water Absorption Is Smoother Pull the valve upward Bite the faucet to get out of the water. Pressure And Explosion Proof After the pressure test, it is still firm without water seepage. INOXTO hydration vest backpack provides a comfortable and convenient experience forhikers. Our hydration backpack features a sleek & slim design, a durable and ultralight backpack that allows you to take essentials. About this item ❤ 【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 INOXTO 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 stori