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Smartwool PhD Socks offer a 4 degree fit system to provide an unparalleled secure, comfortable fit PLUS each PhD sock uses a Wool-on-Wool technology that replaces nylon at high impact zones with more merino wool. The result is a new Smartwool PhD sock that blends a high performance fit with select ultra light cushioning to keep you comfortable, no matter the activity.

Phd Socks from Smartwool - Comfort Guanteed, Endurance Proven

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Men's Socks

Men's PhD Socks

Women's Socks

Women's PhD Socks

Smartwool Clothing


More Smartwool Sock Technology

PhD Graduated Compression Socks

Graduated compression technology applies varied pressure from the ankle to the knee, aiding in circulation and increasing blood flow back to the heart. So the legs don't swell and the body recovers faster. There are different levels of compression that are measured in millimeters (mm) of mercury (Hg), or mmHg. The higher the mmHg number, the more compression there is. Our SmartWool Graduated Compression socks combine the performance-enhancing benefits of Merino wool with the recovery-enhancing compression technology.

WoolBeing Comfort Features

Smartwool has taken the best of nearly two decades worth of sock innovation and sprinkled it throughout their lifestyle sock line. These socks feel as good as they look. You'll notice the lifestyle socks now include:

  • - Graduated compression: Helps soothe and minimize ankle, leg and foot swelling, and reduces fatigue.
  • - Soft top: Low pressure, non-binding fit.
  • - Virtually seamless toe: Less toe irritation and chafing.
  • - Supportive arch and ankle braces: Provides a comfortable fit and keeps the sock in place.

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