Sidi Genius 6.6 Vent Carbon Shoes Black Vernice/White, 44.0 - Men's synthetic-and-mesh NEW for the Genius 6.6, IMPROVED Vent Carbon Sole?: Same incredible stiffness with closeable vents NEW Comfort Fit insoles with memory foam for lightweight support Caliper Buckle two-way ratchet for easy on-bike adjustment with incremental tightening and loosening Lighter, more ergonomic Soft Instep Closure System? and padded tongue eliminate pressure points