I DONT EVEN... Lol, sock's for cycling...I dont...ahaha Lol, I just wear my normal socks...wash after a long ride, if its just to town and back, wear for rest of the day (Unless its hot then I take them off when not wearing shoes... Special socks for cycling...wow, Who would have thought it. Must be light waight carbon fibre weave, save's you 0.5G and incresses your speed 0.01 MPH....