The AKU Alterra Gore-Tex lined walking boot is a Versatile trekking model, designed for medium difficulty and duration trekking over mixed terrain. The upper is made without gusset using elastic material for the tongue and collar to ensure a truly comfortable fit. The asymmetric construction of the outsole with exclusive AKU Elica technology ensures excellent load distribution over the plantar surface and outstanding improvement of foot roll. Also available in a woman's version.