Trekking BackpackTrekking Backpack Made of recycled material Padded back; shoulders and sides and continuously adjustable chest strap Ergonomically shaped shoulder straps, adjustable straps and compression straps for optimal wearing comfort Spacious main compartment; front pocket and separate bottom compartment Side mesh pockets and loops for attaching e. g. sleeping bag, sleeping mat, trekking poles, etc Hydration bag hanger and passage for a tube up to approx. 3 l