SHIMANO SH-R241 Shoes Racing Legacy with a Perfect, Anatomical Fit |UPPER: Heat moldable Custom-Fit Technology |Supple premium micro-fiber leathers and Multi-layerd moisture control mesh |Low-profile micro-adjust buckle and dual off-set straps Anti-slip heel lining, Heat moldable insoles accommodate and support feet |LAST: Curved, anatomical last with Custom-Fit precision |SOLE: Lightweight hollow channel, ultra-rigid, weaved carbon fiber composite sole |Available in half sizes and wide |Best matched with Dura-Ace PD-7900