Power up mountains in these technical hiking shoes with the agility of a trail runner and the stability, grip and weatherproofing for more rugged terrain.Composition:- Upper:100% Polyester (Recycled).- Upper 2:60% Polyurethane 40% Polyester (Recycled).- Lining:100% Polyester (Recycled).- Insole:100% EVA.- Outsole:100% Rubber.