The wire carbon vernice road shoe features all the outstanding quality and top end features that make sidi a staple of cycle shoe excellence with soft instep 3 closure adjustable heel retention and techno 3 dial for a detailed custom fit features soft instep 3 closure system for microadjusted fit light weight and stiff vent carbon sole with integrated air channels techno 3 system dials with proprietary non binding wire for custom fit adjustable heel retention device reinforces heel cup for b