New INOXTO 5L running water bag vest backpack running, cycling, mountain climbing

Brand new Size Large The backpack is made of 3D polyester network, which keeps air circulation, makes the back more refreshing, prevents heat collection and makes you uncomfortable and provides you with good air circulation. The chest strap can be adjusted according to your needs. This multi-purpose hiking backpack bladder vest is made of high-quality nylon material with a soft wool wrap to reduce friction in the body. It weighs about 140 grams and can hold up to 5 liters. The chest has a soft water bottle pocket and a water pocket room where you can secure enough water during outdoor exercise. The backpack has a nighttime reflective strap design that will serve as a warning when you work out with a light source at night to ensure your safety. The main pocket room with double rooms can accommodate water bags and lightweight clothing and more. The front talk and pocket can hold a 500ml soft water bottle or energy supply, while the zippered bag can hold a 6.6-inch phone so you can listen to music and jog at the same time. This outdoor backpack has a neutral design for men and women, is very suitable for both men and women, has reinforced and stable shoulder straps, compact structure, small size, smaller size, wind resistance and easy to carry. Perfect for cycling, hiking, camping, traveling, hiking, mountaineering, racing and training, and many other outdoor sports.