Upper: Nylon air mesh and Supreltech. Lasting board in air mesh Lining with special anti-bacteria treatment.Midsole: Moulded Elaston E.V.A. foam. Double Action in the heel area. C.C.B.. Axeler Wi-5 Propulsion.Outsole: Blown Flexoft Rubber in the front area. Special Duratech 5000 wearproof compound in the heel area.Insole: Removable, perforated and shock-absorbing insole.