Sidi women's wire carbon vernice road shoesthe women's 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.soft instep 3the 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 you can center the pad perfectly. You can replace the entire system to ensure your shoe performs to the top level even after years of wear.techno 3 systemthe dials of sidi's techno 3 system are placed along the length of the shoe so you can adapt the upper shape to fit your needs. A proprietary non binding wire material means that the dials can be quickly adjusted on the fly with minimal effort. Sidi's knack for making great systems that can be serviced or replaced continues with the techno 3 system featuresplease note sidi recommend purchasing one whole size up from your usual fitsoft instep 3 closure system for microadjusted fitlight weight and stiff vent carbon sole with integrated air channelstechno 3 system dials with proprietary non binding wire for custom fitadjustable heel retention device reinforces heel cup for better fit during high movement momentssidi heel cup for added durability and stable footingreplaceable heel padvernice microfibre for easy cleaningbuy sidi footwear from chain reaction cycles, the world's largest online bike store.