Perfect for warm days and race days, the On Performance Low Sock is your new secret weapon. This running sock features technical mesh panels for ideal temperature regulation that keeps you cool when workouts heat up and warm enough to avoid cold feet. The pattern at the arch triggers sensory receptors to get your feet ready for the run, while Swiss Engineering offers a non-slip fit. With a snug fit and stealthy support, the On Performance Low Sock is a cut above the rest! Made using 100% recycled polyester.