1. 18L Camping Hiking Riding Bike Cycling Running Backpack for Men
2. Double-layer design, special inner layer for holding water bladder
3. Integrated breathable mesh pad in the back,breathable and not muggy, air flow channel design
4. Super light, Only 0.33kg that make it comfortable to carry
5. Product Size: 40*33*5cm
Note: Water bag is not included.