Castelli quattro 9 sockswrap your feet in cool comfort and style with the castelli quattro 6 socks made from durable and moisture wicking polypropylene yarn with mesh panelling across the bottom of the foot these socks wick away moisture to keep your feet cool and dry a mid foot support band circles the arch for increased comfort and the reinforced cuff stays perfectly in place featuresmaterial 100 polypropyleneheight 9cmmesh construction on bottom of foot midfoot support bandreinforced