Redefining fit, feel and power-to-weight performance, the Prolight SLX are the lightest, most powerful, pro-level road shoes Giro has ever created. Teijin microfiber upper conforms to your foot like a second skin for effective energy output. Ultralight footbed, plus a SuperNatural Fit Kit footbed with adjustable arch support enhances comfort, efficiency and allows for a truly custom fit. Easton EC90 SLX high-modulus carbon outsole with a 6.5mm profile is extremely light and delivers best-in-class stiffness for maximum power transfer. Pressure-free closure system with titanium hardware reduces weight even further.