Hydration System Bags are durable, slender and portable bags designed with middle handle strap. They are available with adjustable chest webbing and shoulder straps to provide maximum ease of carrying. They come with hands-free hydration hose along with bite valve to open up the flow of water. These outdoor water backpacks are provided with a pouch on the back for carrying essentials easily. Besides this, these Hydration System Bags are provided in durable Oxford fabric and nylon lining to resist abrasion.