The Vaude Cycle 22 panniers can be used as a backpack and as panniers. The Cycle 22 bag is easy to mount with the convenient QMR system. If you use the bag as a backpack, you can unzip the adjustment system and store it in the appropriate compartment in the backpack. The Vaude Cycle is water-resistant and is supplied with a rain cover. So don't worry about a rainstorm.