Ergonomically designed backpack, ecologically produced. Adjustable for any body height from 1.40 to 1.80 m. Aluminum profile frame, height-adjustable chest strap, and breathable back padding. Two main compartments and a stretchy outer pocket. The "Match" models additionally feature a front pocket with space for a helmet or soccer ball, and the main compartment can be expanded by 5 liters. Clever carry-on side pocket operable with one hand, without having to set down the backpack. Ergonomic.