Lightweight Bike Hydration Backpack - Waterproof Cycling Pack for Hiking & Outdoor Sports (Blue)

BREATHABLE DESIGN The back of the shoulder straps are made of breathable fabric, no pressure on the back, breathable sponge.

FIXED ELASTIC BAND Mountain biking backpack uses fixed elastic straps on both sides to reinforce protection and make it more compact when riding.

D SHAPED HANGING BUCKLE Cycling backpack with D shaped buckle, can suspend small items. Interior design with zipper concealed pocket, increasing privacy.

REFLECTIVE STRIP Bike hydration backpack is designed with night reflective strip, safer for night travel. Survival whistle, more beautiful and practical.

WATER BAG ATTACHMENT STRAP Bike backpack can store small items and repair tools for daily use. Designed with a water bag fixed belt, can be affixed more convenient.