. From trail hiking to mountain biking, SmartWool's PhD Outdoor Light Mini socks do it all. Merino wool
naturally wicks moisture and regulates temperature in every season, and high-density impact zones absorb shock.
- Itch-free merino wool naturally regulates temperature, wicks moisture and doesn't retain odor
- Mesh MVT zones provide ventilation
- Quarter-crew height
- Made in United States of America (yarn imported)
- Visit our Wool Guide
- US shipments only