Backpack with irrigation system, sports bag, vest with irrigation system for cycling, camping, running, cyan Description: [Convenient water storage]: The Vest backpack has a front compartment for a water bottle that can hold a soft water bottle with a capacity of 500 ml, and a back compartment for a bottle that can hold a 2 l bottle, allowing you to quickly refill liquids while running. It is designed for running on medium and long distances. [Material]: The running vest is made of nylon, lightweight, breathable, waterproof and comfortable to wear. Size: 20 cm x 37 cm/7,87 inch x 14,57 inch. [Reportage] The ergonomic vest bag is equipped with an adjustable chest strap that guarantees a snug fit and prevents the backpack from bouncing up during the run. [Multiple Pockets]: The backpack has front pockets where you can store things like water bottles, keys, mobile phones and more. Items such as a bladder can be placed on the back. [ Versatile Use]: This running vest is not just for running and hiking. It is also suitable for other outdoor activities, such as mountain climbing and marathons. Specification: Material: Nylon Size Chart: 20 cm x 37 cm/7,87 inch x 14,57 inch The package includes: 1 Running vest