Sidi wire carbon air vernice road shoesthe wire carbon air 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 soft instep 3 the wide curved strap of the soft instep closure system combines with a thermo formed eva pad to distribute pressure evenly over the instep area sidi have made the system adjustable from either side so