The arena functional backpack Fastpack 2.1 is specially designed for the needs of swimmers and triathletes. A large main compartment offers sufficient space, even for bulky training tools. Separate compartments for wet clothing and shoes. Using the carabiner, the backpack can be hung on the door or wall in the narrow changing room and used as a wardrobe. The padded shoulder straps ensure high wearing comfort even when the backpack is heavily loaded.