SKU # 21810 SOLE: GLASS FIBRE REINFORCED NYLON OUTER SOLE GIVES AN EXCELLENT COMBINATION OF STIFFNESS AND COMPLIANCE FOR CLUB AND SPORT RIDERS UPPER: SYNTHETIC LEATHER UPPER WITH HIGHLY BREATHABLE NYLON MESH PANELS CLOSURE: DOUBLE-STRAP CLOSURE SUPPORTS FOOT SECURELY CLEAT COMPATIBILITY: SPD-SL, SPD AND LOOK* CLEAT COMPATIBLE REFLECTIVITY: REFLECTIVE DETAILING ON THE HEEL HELP KEEP YOU MORE VISIBLE IN LOW LIGHT CONDITIONS VENTILATION: VENTED SOLE FOR EFFICIENT VENTILATION AND MOISTURE TRANSPORTATION WEIGHT: 500 G FOR A PAIR OF SIZE 40