Castelli T1 6 Sock Ever come into T2 with your feet already blistering from friction in your cycling shoes? Now theres no reason to ride barefoot. The T1 sock was engineered to be extremely easy to put on in T1 over a wet foot, so you spend no extra time in transitions but get the comfort on the bike leg too. Coolmax yarns Easy-on even on wet feet Wide-opening cuff 6cm cuff height