This trekking rucksack is technical and light.  It is equipped with new breathable back ComfortZone PLUS SYSTEM. The shoulder straps are holed, shaped and adjustable for every body fit. Thanks by the new system, the shoulder straps can be move up or down, so the lenght can be adapted to different body types. Is provided with multi-functional pocket on shoulder strap, adjustable chest strap with whistle buckle, adjustable hip belt and holed breathable lumbar cushions with external pockets. This backpack has 4 tool loops ideal for KIT 3 and KIT 4. One pocket on the lid is dedicated for emergency stuff and is equipped with a printing of emergency call numbers. On the side the backpack is equipped with 2 elasticated pockets for water bottles, a wide pocket is on the frontal side which is ideal for accessories or wet induments. Incase you need to reduce the capacity of the rucksack, there are 4 compression straps on the side, 2 others are located on the bottom and  can be used for carry voluminous stuff. It has 2 poles holder outside, one compartment with access on the bottom and a rain cover included on a bottom dedicated pocket. Hydration system compatible.