Fabric: Polyester, Capacity: 36-55L, without top bag size: 51 * 32 * 18cm, with top bag size: 58 * 32 * 18cm,

adjustable shoulder strap length: 30-90cm, high quality material, water repellent, resistant Scratch

resistant Breathable mesh soft and comfortable, clear texture, ventilation through sweat. Beautifully inserted buckle.

Smooth texture zipper, not rusty off. Removable top bag design.