Northwave Extreme Tech Shoes Upper Material: microfiberLining: Closure: micro-adjust buckle, SLW (Speed Lace Winch)Sole: UltralightCleat Compatibility: 3-hole road; [adapter not included] SpeedplayMidsole: Arch Support: Footbed: Extreme AIrWeight: Recommended Use: racingManufacturer Warranty: 1 year