Practical, ergonomic backpack in nylon with breathable fabric on the back. Equipped with lumbar support with three removable plates. Rigid thermoformed base on the front with reflex insert. Pocket for hydrobag Front stretch pocket and internal PC pocket; lateral volume variation adjustments; reflecting inserts . Provided with rain cover in triple-layer fabric with taped stitching and system for fastening to backpack. 35/40 liter volume.