Product 1: Maximum ventilation thanks to the Aircomfort mesh back system ensures the best wearing comfort. At the same time perfect load transfer to the hip fins with the elastic spring steel frame Product 1: The Active-Comfort-Fit back system supports wearing comfort thanks to movable shoulder straps while maintaining its shape Product 1: Device for hydration system (deuter Streamer 3.0 - not included!) Product 1: Front pocket with large organisation part Product 2: Maximum ventilation thanks to the Aircomfort mesh back system ensures the best wearing comfort. At the same time perfect load transfer to the hip fins with the elastic spring steel frame Product 2: The Active-Comfort-Fit back system supports the wearing comfort thanks to movable shoulder straps and at the same time dimensionally stable construction Product 2: Device for hydration system (deuter Streamer 3.0 - not included!) Product 2: Padded hip fins with a zip pocket › See more product details