3D Tongue - Anti pressure tongue is laminated in 3 dimensions for maximum shin comfort and a better interface with 3D binding straps. Natural EVA Sole - Rubber outsole for grip and flexibility, and an EVA midsole for cushion Asymmetrical Thermo Moldable EVA Liner w/ Lacing - By avoiding stitching on the instep, the liner's integrated lacing provides a precise fit and better blood circulation which will keep your feet warm Basic Footbed - Thermoformed EVA last with arch support and soft lining for comfort, fit and support Brand:Rossignol