A professional rucksack with hydration system with a 3-litre hydro pack. The rucksack is made of cordura, highly resistant to wearing through and water. The back side is additionally covered with Mesh net to enhance the air circulation. The back side of the rucksack is profiled, so that is adjusts itself to the natural curves of the spine and ensures high usage comfort. The front part is equipped with Pals bands and 2 pockets for attaching pouches and transporting the hand equipment. The canteen is ended with a pipe ensuring stable access to water. The suspenders, the hip- and chest band are adjustable for the individual needs of the user.