Features:
18L cycling backpack, made from ultralight water-resistant nylon fabric.
Special hole design for water bag (NOT included).
Adjustable shoulder strap & waist strap to fit your need.
Mesh & grainy EVA design on the back for maximum breathability & comfort.
Reflective strips for safe riding at night.
With a mesh cover to put your helmet.
Suitable for outdoor activities like cycling, rock-climbing & hiking, etc.