Package Include:
1Pcs * Running Hydration Vest Backpack
Or 1Pcs * Water Bottle

Specification
Item Size: 35*18*5cm
Weight: 170g
Material: nylon

About this item:
1. 【Ergonomic and comfortable design】 Hiking Backpack Water Bladder Vest Kit aligns your back while gently protecting your muscles. The ventilated mesh cover keeps your cool by maintaining air circulation, preventing discomfort due to accumulated heat, and providing excellent air circulation and breathability.
2. 【Ultra-lightweight design】 High-quality nylon material and ultra-lightweight design make it more comfortable to drive. The Sport Backpack weighs only 180 grams. In addition, the left and right belts have pockets for storing 250 ml PET bottles.
3. 【Perfect Combination】 The lightweight cycling backpack comes with an adjustable hip belt and shoulder straps that can be changed to suit your torso. The perfect size provides a great balance of moderate weight and bulk while providing a sufficient amount of water suitable for men, women.
4. 【Security and multiple storages】 Reflective trim for nighttime safety and strap clips to keep extra straps safe. There are also two large pockets and two small pockets on the front of the bag. You can put gel / soft candy / paper / towel / mobile phone / key etc. in the front pocket. Quick and easy access even if you sweat.
5.【Wide range of applications】 This hydration pack is specially designed for road cycling, running, hiking, compact construction, small size, backlight and stability, with less wind resistance. An ideal choice for men, women. It does not move around or bounce. For cycling, hiking, running, skiing, cycling, mountaineering, hunting, racing and training.