Multi functional Bike Backpack - The bike rucksack includes 3 storage compartments that provide large capacity storage, waist pocket fit phone. Suspension hook design take your helmet easily. Premium nylon fabric durable and wear resistant.

Convenient Drinking System - Water bladder hook design can hang hydration bladder, shoulder strap fix design prevent water bladder tube swaying during doing exercise.

Packable & Reflective Strap - There's a hidden pocket on the bottom which can fold backpack to storage. Reflective strap on the back and shoulder maximum night cycling safety.

Breathable & Comfortable - This biking backpack has breathable mesh pad on the back and shoulder which provide maximum breath ability and heat dissipation. Vest buckle and waist band increase the stability during exercise.

Powerful Outdoor Gear - As outdoor sports backpack fit your cycling, jogging, running, camping needs while trekking pole hang buckle on should strap ideal for mountain climbing. Adjustable shoulder and waist strap suitable for men women youth. As a commuting day pack fit your daily use, business, working.