New technical and lightweight trekking backpack, incorporating the new ComfortZone MESH SYSTEM. Shoulder straps are shaped padded and adjustable, and feature a sliding chest strap with whistle. Padded and adjustable hip belt, with handy pockets on the lumbar cushions. It has two side water-bottle pockets, side compression straps, a useful dividable compartment on the bottom and a front pocket with elastic, useful to carry a helmet or a sleeping bag. Double pocket on the hood, with emergency call number inside. It is equipped with trekking pole holder and ice axe holder. Hydration system compatible, equipped with pull-out rain cover in the base.