Free Knight 50L Waterproof Backpack 5 Colors

Features: - Made of waterproof nylon fabric, breathable and wear resistant  - 50L large capacity, maximum loading bearing is 20kg, brilliant storage system  - With air flow loading system, breathable and comfortable  - 17.72 - 32.68 inches adjustable shoulder strap, alleviate pressure on the spine and shoulder  - Offer enough space to pack all your necessities and equipment  - Suitable for all hiking, camping, climbing, traveling, cycling, etc.