. SmartWool's PhD Mountaineer socks' temperature-regulating, odor-resistant and moisture-wicking merino wool
construction features a 4-Degree Elite Fit System to bring long-lasting comfort to your wilderness adventures.
- Itch-free merino wool naturally regulates temperature, wicks moisture and doesn't retain odor
- 4-Degree Elite Fit System with four compression bands and flex zones for fit and support
- High-density impact zones
- Made in United States of America (yarn imported)
- Visit our Wool Guide
- US shipments only