SIDI Fast 2 Shoes Fast is everything The SIDI Fast 2 Shoe the ultimate modern road shoe for riders who demand the best fit and performance, with the long-lasting durability to hold up for seasons to come. The SIDI Fast 2 is designed with modern aesthetics in mind, with a clean, modern look, paired with classic SIDI performance and legendary comfort. The Aerolite outsole uses a carbon-injected nylon construction that is optimized for aerodynamic efficiency, while providing a bit of flex for those off-bike pit stops, for speed and efficiency for the real world. Sidi's dial fit system with Dyneema(R) cable lets riders quickly fine-tune their fit with a durable, long-lasting closure system. Fit is critical for the Fast 2 Shoes, with the pre-formed heel cup that secures the rider's foot for added comfort, and a soft-touch premium Polite Matte Microfiber upper for exceptional comfort. Whether you're lining up for a local criterium, a spirited coffee ride with friends, or training for that dream brevet, the SIDI Fast 2 is the shoe for you. Features5/12 midsole stiffness balances power transfer when pedaling, with real world comfort Premium Politex Matte microfiber upper is soft to the touch and supremely comfortable Aerolite sole design optimizes the nylon and carbon fiber sole for aerodynamic efficiency Fast, easy closure uses a Sidi dial system with Dyneema(R) cable Built to last with premium materials, expert craftsmanship, and replaceable parts to keep the shoes on the road longer Countered heel cup is anatomically optimized for improved foot stability SPECIFICATIONSClosure type Sidi dial with Dyneema(R) cable Outsole Carbon-injected nylon Cleat Compatibility Road, 3-Bolt Intended Use Road, Road Race Sizing US - Men EUUS - Women6. 13976. 539. 57. 66. 4407. 97. 2418. 77. 641. 59. 18429. 58. 442. 59. 98. 84310. 39. 243. 510. 79. 644-1044. 5-10. 445-10. 845. 5-11. 246-11. 947-12. 347. 5-12. 748-13. 148. 5-13. 549-13. 949. 5-14. 350- | Sidi | Fast 2 Shoes Men's | Size 43 In Blue Yellow | Nylon