Multi-function Backpack Main Part
Lots of pockets for small items or medical first-aid supplies
Top side hole for earphone
Fixtures for water pipe
Hose clip in the strap, avoid water pipes jumping during exercise
2 additional rings for hooking your needs
2 Waist Pockets
2 zipper waist pockets for cards, keys or mobile phone under 5.5 inch
Firm and smooth SBS zipper