This is a 5L professional cycling backpack,capable for storing most necessaries for outdoor activities, suitable for riding, running andmountaineering etc.

Features:
LARGE-CAPACITY---5L loading capacity is large enough for storing most daily needs such as clothes,purse, books, cellphone, water-bottleand umbrella.
BREATHABLE---Excellent porous mesh back and comfortable mesh shoulder straps prevents stuffiness and releases pressure to your back.
LIGHTWEIGHT---Made of lightweight tear resistant polyester fabric.Adjustable shoulder straps and two flexible sternum straps distributeweight effectively, reduces strength consumption.
SAFETY---Designed with reflective strips on the back and the front that is conspicuous in the dark straps to keep you safe.
VERSATILE---Suitable for all kinds of outdoor activities include riding, running, hiking, mountaineering, outing, excursions, etc.

Specification:
Color:Blue 1/Blue 2/Red/Pink/Black/Green (optional)
Set:Backpack / Backpack with water bladder (optional)
Material:Polyester
Backpack capacity: 5L
Package size: 26*45*5cm/10.2*17.7*2in
Package weight: 270g/9.5oz

Package List:
1* Backpack