Sidi Wire 2S Road Shoes Engineered specifically for athletes who seek maximum foot stability when unleashing extreme power. Ventilated carbon sole with innovative Firmor lateral support system suitable for athletes who need to combine power transfer with greater lateral foot stability. The specially designed dual-rotor closure offers the ultimate adjustment for the perfect level of lateral support. Features Microtech matte microfiber with adjustable heel and firm lateral support Adjustable heel retention for a fitted SIDI feel Dual dials system with Dyneema cable Vent Carbon sole with stiffness 12 and replaceable parts | Sidi | Wire 2S Road Shoes Men's | Size 40 In White