Sidi Ergo 2 Carbon Lite: Top-of-the-line for 2011 featuring the full carbon sole. One of the lightest, stiffest carbon soled shoes available. Adjustable heel security system improves heel support by closing the back securely around the ankle without over tightening the rest of the shoe. The heel cup has vents and reflectivity, secure closure and a snug, comfortable fit are provided by the wide caliper buckle, finely ratcheted Techno-II midfoot buckle, and soft velcro instep strap with High Security Velcro. All colors feature a new glossy “vernice” finish.