The backpack is composed of a main pocket and a secondary pocket, which can be used as a PC holder, in which several concealed pockets are positioned, suitable for containing documents, topographic maps and various accessories. The outer shell is lined with MOLLE loops, has a carrying and evacuation handle and three opening holes allow accessories to exit. Capacity 50 liters. The back part is preformed and padded, the shoulder straps are padded, adjustable in the lumbar area by means of fastex straps and buckles and are also equipped with two D-RING rings for the quick anchoring of accessories and an elastic chest strap with a fastex buckle.