The giro hrc team sock the hrc teamtrade takes sock performance to another level we worked with several high profile pro tour road racers that wanted qualities similar to compression socks for increased circulation and greater arch support the resulting hrc team sock is so thin and supportive it feels like nothing you39ve ever had on your feet other noteworthy details include merylreg skinlifetrade fibers that wick moisture away and help maintain your skin39s natural bacteri