Features:
100% Brand new and high quality!
With inner pocket
Constructed by high quality Nylon fabric， lightweight and durable.
Easy to use on/off valve on the hydration bladder
Storage compartment for keys， phone， snacks etc
Adjustable chest and shoulder straps
Multifunction Backpack bag
Suitable for outdoor activities like cycling， rock-climbing and hiking.

Specifications:
Material: Nylon
Color: black， blue， green， red
Size: 42cm x 25cm / 16.54"x9.84"(L x W)

Package includes:
1 x Sport Backpack (The Water Bag Not Included)