Particularly lightweight, durable, stable in its fit on the back, and versatile, with a perfect fit for every body type. Its smart air circulation system allows you to wear it for many hours without sweating. It also features an internal divider with a zipper, a front opening with a waterproof zipper, side pockets with compression straps, item retention straps on the lid, a clip with a whistle on the chest strap, and an integrated rain cover at its base. It is an ideal choice for those covering long distances on hiking and mountaineering missions or who want to travel with a backpack.