Compared to it's low cut model, the Smartwool PhD Cycle Ultra Light Pattern Crew Sock offers a tall length as a comfortable alternative. Designed with ultralight cushioning to specifically pair with your close-fitting cycling shoes and mesh ventilation this sock is made to support you on long rides. Dual-elastic technology creates the ultimate stretch-and-recovery mobility that stays snug and connected to your foot while Indestructawool performance durability for endless comfort.