1. Constructed by waterproof 600D high density Nylon material.
2. Two layers cargo design，one for hydration bladder，and the other for extra carrying purpose( such as : keys， phone， snacks ，Wallet)
3. Fully Adjustable chest and shoulder straps， suitable for heavy carrying.
4. Equipped with a tube with a bite valve to drink， so you don't need to hold it to drink.
5. Easy to use on/off valve on the hydration bladder， convenient for control the flow of water.
6. Ideal for cycling， hiking， camping， running， climbing， and other sporting activities

Colour: Black
Fabric: Army Regulation 600D nylon encryption Oxford cloth
Dimensions: Length 47cm * Width 25cm
Strap length: 50-95cm (adjustable)
Catheter length: about 98cm
Hydration bladder capacity: 3L
Weight: 435g
Note: Price is a hydration backpack + 3L hydration bladder
1× Hydration Pack with 3.0L Bladder