Sidi Genius 5 Pro Mega (Wide) Road Shoe Caliper Buckle two-way ratchet for easy on-bike adjustment with incremental tightening and loosening Soft Instep Closure System and padded tongue eliminate pressure points High Security Velcro wont shift or slip Breathable, supple and durable vented Technomicro microfiber upper with cooling mesh panels Millennium 3 Carbon Composite Sole