Smartwool - Cycling Light 3/4 Crew Socks
Feet can easily get cold cycling, especially with clipless pedals. These merino mix socks will keep them warm and comfortable, and feature padding in appropriate areas.
Sock Guy - Bad Kitty Socks
Socks aren't usually that interesting, but the Sock Guy introduces humour and whacky designs, so your feet don't let your image down.