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Product Description
Smartwools PhD 4-Degree Fit System means that your foot gets extra-special attention in your ankle, arch, and all along your instep. Smartwool's Merino Wool provides moisture, temperature and odor control. The strategic mesh zones allow for maximum ventilation.
Additional Information
| Manufacturer | Smartwool |
| Features | 77% Merino Wool, 22% Nylon, 1% Elastane |
| Features | Light Half-Cushioned |
| Features | Crew Height |