Castelli Endurance 15 Sock Black/Silver Gray/Red, S/M

For enduring strenuous efforts and for cyclists who never last long without a ride, the Endurance 15 Sock is among our top picks thanks to its lightweight cushioning that offers enhanced foot support. Alongside the underfoot cushioning, Castelli reinforced the toe and heel for durability, making this sock a great option for those who really stack up the miles.