Smartwool PhD Outdoor Heavy Crew Socks

Venture further and stay warmer with the PhD® Outdoor Heavy Crew. Heavy cushioning and the power of Merino help keep your feet warm, dry and comfortable whether you’re out on a multi-day trek or trudging through the snow. Featuring Indestructawool™ technology for ultimate durability in high wear areas, the 4 Degree® elite fit system for a dialed fit and our signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe.

Virtually Seamless™ toe

8.5″ overall height

Sock Height: Crew

Made in USA of Imported Yarn: 73% Merino Wool, 25% Nylon, 2% Elastane

PhD®: Built for Performance in the Highest Degree

4 Degree™ Elite Fit System: Uses two elastics for greater stretch and recovery to keep the sock in place

Indestructawool™: Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort

Mesh Venting: Mesh ventilation zones provide optimum moisture management and maximum breathability

Heavy Cushion: Heavy cushioning offering significant impact absorption for extended backcountry excursions

Weight (est): 2.5 oz (0.2 lbs)

Style: SW001073

Size Chart