Pearl Izumi P.R.O. Socks
Pearl's P.R.O. Socks are ready for racers in the Tour de France and casual cyclists alike. For serious comfort, they feature padding on the balls of the feet and behind the heels, as well as compression panels to support your arches. Plus, they're made of a light, technical wicking fabric and have mesh cuffs so you stay dry and comfortable mile after mile.
This manufacturer's chart helps you evaluate the fit (may show unavailable, and/or not all sizes).