• nylon
• Made in the USA or Imported
• Hydration vest--waterproof design makes it safe to store your belongings wherever you are,outdoor hydration vest
• Hydration bag--soft and thin mesh padding of hydration vest for optimal comfort and absorbing sweat efficiently, the flexible adjustable straps help backpack hug your body nicely,outdoor hydration vest
• Hydration backpack--the wide and breathable straps distribute weight , reducing strength consumption, the race vest provide you with support and min burden,outdoor hydration vest
• Outdoor hydration vest--it is great running backpack for biking, running, hiking, climbing and other outdoor adventures,hydration vest
• Water backpack--functional pcoket, the super pocket can help store water bottle, phone, keys, foods and other items,outdoor hydration vest