From a winter run on frost-hardened trails to a summer interval session on the track, the Smartwool PhD Running Ultra Light 3/4 Crew Socks are versatile enough to keep your feet happy year-round. Made from soft merino wool, these running socks regulate temperature and moisture, and they have strategic mesh panels for ventilation and elastic bands for a snug, secure fit.
Smartwool PhD Running Ultra Light 3/4 Crew Socks Photo
Black, Black/ White, Graphite and Silver.
Available sizes, while supplies last, include size small, size medium, size large and size extra large: s, m, l, xl.