Searching for a versatile wool sock that has it all? Look no further: the PhD® Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. It features Indestructawool™ technology for ultimate durability in high wear areas, our 4 Degree™ elite fit system for a dialed fit, and our signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe. Plus, the medium cushioning provides impact protection and ultimate comfort on the trail—making our PhD® Outdoor socks some of our best-fitting and most comfortable.
| Size | US Mens | US Women | Euro | UK |
| Small | 3–5.5 | 4–6.5 | 34–37 | 2–4.5 |
| Medium | 6–8.5 | 7–9.5 | 38–41 | 5–7.5 |
| Large | 9–11.5 | 10–12.5 | 42–45 | 8–10.5 |
| XL | 12–14.5 | N/A | 46–49 | 11–13.5 |
Style - SW001071
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