Smartwool Men's PhD® Run Ultra Light Pattern Micro Socks
Description
Our PhD® Run Ultra Light Pattern Micro socks bring together the comfort of Merino with body-mapped mesh zones for added breathability and an Achilles tab to help prevent sock slippage and provide you with a sock that can handle it all. Featuring our 4 Degree™ elite fit system for a dialed, performance-oriented fit, Indestructawool™ technology for enhanced durability, and Shred Shield™ technology to reduce wear from toes, our thinnest running sock helps keep you comfortable in your low-cut running shoes for the long road ahead.
Benefits
4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint
Indestructawool™
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
Made In The USA
Mesh Venting
Mesh ventilation zones provide optimum moisture management and maximum breathability
PhD®
Built for Performance in the Highest Degree
Shred Shield™
Shred Shield helps reduce wear from toes
Ultra Light Cushion
The absolute minimum between you and your shoes.
Virtually Seamless™ Toe
Smoothed out toe seams for ultimate in-shoe fit and comfort
Features
- Sock Height: Micro
- Indestructawool™ technology for enhanced durability
- 4 Degree™ elite fit system for a dialed, performance-oriented fit
- Shred Shield™ technology reduces wear from toes
- Body-mapped mesh zones for added breathability
- Virtually Seamless™ toe for enhanced comfort
- Achilles tab designed to prevent sock from slipping down into footwear
- Made in USA of Imported Yarns: 46% Merino Wool, 50% Nylon, 4% Elastane
Care
- Machine Wash Warm, Inside Out
- Do Not Bleach
- Tumble Dry Low
- Do Not Iron
- Do Not Dry Clean
Sock Size Chart
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 |


Men's PhD® Run Ultra Light Pattern Micro Socks