. SmartWool's PhD Outdoor light micro socks are pros at temperature regulation — warm in winter, comfortably cool in summer — plus they wick moisture and are never itchy. Perfect for days on the trails!
- Itch-free and naturally regulates temperature
- Wicks moisture and doesn’t retain odor
- Below-ankle height
- Made in United States of America (yarn imported)
- Visit our Wool Guide
- US shipments only