Color : blue , black , rose red , green
Capacity : 8 L
Suitable for all sports
Matching : backpack can be used together with 2L water bag or two bottles
Note: the water flask is optional
Ultralight (about 300g ), Water repellent , Breathable , Tear resistance .
Multiple loading systems meet your kinds of needs .
Kind reminder ：
In this product link , there are different combination on the products .
Please choose the right product option according to your needs .
1* water bag
1* water bag + 1* Backpack