Description & Features
For the skier who wants the minimum between their foot and boot, the PhD® Ski Ultra Light offers the benefits of Merino in a high-performance fit. Featuring Indestructawool™ technology for long-lasting wear, 4 Degree® elite fit system, mesh ventilation zones, and our signature Virtually Seamless™ toe for ultimate comfort in a ski boot.
- Ultra light-weight ski sock
- 4 Degree™ Elite Fit System - Uses two elastics for greater stretch and recovery to keep the sock in place
- Body-mapped mesh zones for added breathability
- Indestructawool™ construction for exceptional durability and comfort
- Virtually Seamless™ toe
- Shred Shield™ helps reduce wear from toes
- 56% Merino Wool, 41% Nylon, 3% Elastane
- Multi-Density Cushion - Light cushioned shin, non-cushioned heel and toe; ideal for high performance boots
- 14" Over-the-Calf height
- Men's Sizing
Smartwool Shoe to Sock Sizing Guide
|Size||US Men||US Women||Euro|
|Small||3 - 5.5||4 - 6.5||34 - 37|
|Medium||6 - 8.5||7 - 9.5||38 - 41|
|Large||9 - 11.5||10 - 12.5||42 - 45|
|X-Large||12 - 14.5||N/A||46 - 49|
PhD Sock Innovation
The performance enhancing benefits of Merino wool helps regulate your body's core temperature reducing lactic acid build-up and helps stabilize your heart rate.
4 Degree Elite Fit System
The new 4-Degree Elite Fit means that your foot gets extra-special attention in your ankle, arch, and all along your instep.
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
Merino Wool Benefits
Smartwool combines the function of wool's natural strong suits with their one-of-a-kind knitting technology to give you:
- Temperature control, so you're warm when it's cold and cool when it's warm.
- No Stink, because Smartwool's Merino wool keeps your feet dry and is inhospitable to bacteria.
- Easy care, which means that you can machine wash and dry.
- Ultimate breathability.