The castelli rosso corsa sock is a great pair of socks that will make a big difference to your foot comfort castelli have made the main foot part of the sock in their air mesh to enhance breathability and given it a central foot band for support the socks are available in two options a 6cm ankle cuff or a 9cm ankle cuff for extra coverage both feature a top band that is doubled over so that the elastic will stay perfect over time the meryl skinlife fibers contain naturally bacteria st