For a sock that has it all, look no further: the PhD® Outdoor Medium Crew offers fit, comfort, and durability wrapped together in one smart sock. Featuring Indestructawool technology for ultimate durability in high-wear areas, the 4 Degree Elite Fit system for a dialed fit, and Smartwool’s signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe. Medium cushioning provides impact protection and ultimate comfort on the trail.

• 61% Merino Wool/37% Nylon/2% Elastane
• PhD®: Built for Performance in the Highest Degree
• Women's Specific Fit: Narrower profile provides the perfect women's-specific fit
• 4 Degree™ Elite Fit System: Uses two elastics for greater stretch and recovery to keep the sock in place
• Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
• Women's-specific mesh ventilation zones provide additional breathability and moisture management
• Medium cushioning to absorb impact on the trail
• Sock Height: Crew
• Virtually Seamless™ toe
• 7.5" overall height
• Machine Wash Warm, Wash Inside Out. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.
• Made in USA of Imported Yarns