Smartwool Women's PhD Outdoor Medium Crew Sock

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 our signature Virtually Seamless toe for extraordinary comfort in any trail shoe. Medium cushioning provides impact protection and ultimate comfort on the trail.


  • 4 Degree Elite Fit System for a dialed, performance-oriented fit with flex zone at ankle joint
  • Indestructawool Technology Features A Patent-Pending Construction Method For Exceptional Durability And Comfort
  • Medium cushioning for impact absorption
  • Mesh ventilation zones provide optimum moisture management and maximum breathability
  • Virtually Seamless toe for enhanced comfort
  • Women's specific fit; narrower heel and slimmer fit


  • Height: Crew 7.5"
  • Materials: 65% Merino Wool, 33% Nylon, 2% Elastane
  • Care: Machine wash warm. Wash inside out. Do not bleach. Tumble dry low. Do not iron. Do not dry clean.
  • Style Number: SW001064

Size Chart:

Size Small Medium Large XLarge
US Women's 4-6.5 7-9.5 10-12.5 N/A
EU 34-37 38-41 42-45 46-49
UK 2-4.5 5-7.5 8-10.5 11-13.5

Calf Circumference

(Largest part of calf)

11"-14.5"(18-26.5 cm) 12.5"-16.5"(32-41 cm) 14.5"-18" (37-45.5 cm) 16"-23"(41-58 cm)