SIDI Genius 5.5 Carbon Cycling Shoe,Black Vernice,44.5 M EU (US Men&#39;s 10.25 M),SIDI,Genius 5.5 Carbon" /> 100% Lorica and mesh Synthetic sole Carbon Composite Sole balances power transfer and foot health for the high-performance, high-mileage cyclist Breathable, supple, durable Lorica Microfiber upper with cooling mech inserts Caliper buckle for easy on the bike fit adjustment Soft Instep closure system and padded tongue eliminate pressure points High Security Velcro won't shift or slip