The design incorporates a Vibram sole, developed in collaboration with the brand to combine Amazonian rubber and sugarcane-based E.V.A. with advanced technology. The technical fabric upper provides breathability, flexibility, and lightness. alveomesh organic traced leather and suede amazonion rubber, bio-based e.v.a., and organic cotton bio-based e.v.a. and mineral carbonate amazonion rubber, mineral silica, and synthetic rubber vibram sole