craig Pataky wrote a review of Castelli Rosso Corsa 6 Socks on March 25, 2010
VERY VERY GOOD SOCK!!! I have 3 pair and all have lasted YEARS. Only other sock that compares is the Swiftwick sock, but the Castelli's look better!! PI and Sockguy and others won't last and don't fit any were near as well as these!! Buy em you'll be glad you did!!