SIDI Alba 2 Women's Road ShoesStep Into PerformanceSIDI's well-deserved reputation for performance and comfort is on display with the SIDI Alba 2 Women's Road Shoes. At the heart of the Alba 2 is SIDI's Millennium 4 Carbon Composite Sole, a carbon-injected nylon sole, which balances the stiffness of carbon fiber with the durability of nylon. The Soft Instep Closure System 3 is an EVA-padded ergonomic strap which is adjustable on both sides to provide even pressure across the top of the foot, eliminating hotspots. The Tecno-3 retention system provides easy adjustment. This dial, as well as the polyurethane heel pad, are replaceable if they wear out, letting the Alba 2's last as long as you want them to. Step into the next level of performance with the SIDI Alba 2 Road Shoes. FeaturesMillennium 4 Carbon Composite sole a carbon-injected nylon sole for a balance between stiffness and durabilityTecno-3 System provides quick and easy closure and is replaceable, for added longevitySoft Instep Closure System is a wide retention strap with EVA pad to evenly distribute pressure across the top of the footPolyurethane heel pad is easily replaceable when wornSIDI Heel Cup for comfort and reduced heel slipSPECIFICATIONSClosure typeTecno 3 dial systemOutsoleCarbon/Nylon CompositeCleat CompatibilityRoad, 3-BoltIntended UseRoad, Road RaceSizingUS - MenEUUS - 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 | ALBA 2 Women's Road Shoes | Size 38 in Black