The Cyclismo? is the definition of the modern cycling sock. Fittingly, in it?s first outing it won the fastest stage in the history of the Giro d?Italia. Features like the AeroSpeed? cuff, Meta-pad, and No Feel Toe Seam put this sock over-the-top. ADVANSA. ThermoCool? Duoregulation provides superior evaporation and comfort in a wider range of temperatures. Sizing: Small (Women 6-8); Medium (Men 7-9 / Women 8.5-10.5); Large (Men 9.5-11.5 / Women 11-13); Extra-Large (Men 12+).