The Vittoria V-Spirit is a performance shoe with an SSP rotor fastening system and microfiber upper. A CNS sole is constructed of nylon with a carbon fiber center transfers power efficiently to the pedals. The no-sew design of the V-Spirit reduces pressure points and provides a more comfortable fit. Features: - SSP rotor closure system - Synthetic leather upper with nylon mesh webbing - Pebax anti-tendonitis spur. - No sew technology - Sole: CNS nylon with carbon heart