Mardingtop Hydration Pack Running Backpack Hydration Vest for Walking Biking Hiking Water Bicycle Backpack[Product Information]- Enter your model numberto make sure this fits.
- MATERIAL- Polyester.These water-resistant fabrics do not allow water to easily penetrate.Both side of the shoulder strap has an elastic pouch for small item like powerbar，GPS，phone or water bottle.
- BEARING SYSTEM- Breathable mesh shoulder straps and mesh back panel.Keep your back and shoulders cool and comfortable.
- FEATURE- Adjustable abdomen strap and sternum strap for perfect placement and no bounce ride.
- HYDRATION SYSTEM COMPATIBLE- External hydration bladder's compartment and open type water tube outlet. Big enough for 2 liters hydration bladder.(Hydration Bladder is not included).
- VERSATILE- Ultra-light Hydration pack，applicable for both men and women. Perfect for Walking，Cycling，Hiking，Travel，Climbing，Running Race，Jogging or other sports.
