Smartwool's medium full-cushioned PhD Outdoor Medium Crew is their most versatile outdoor sock. Thanks to WOW Technology in high density impact zones, shock and abrasion are reduced. The 4-Degree Fit System keeps the sock in place.

Tech Specs

  • 4-Degree Fit System for all day performance fit
  • WOW Technology in High Density Impact Zones to reduce shock and Abrasion
  • SmartWool inside for moisture, temperature and odor control
  • Strategic mesh zones for maximum ventilation
  • 77% Merino wool, 22% Nylon, 1% Elastic
  • Height: Crew
  • Cushioning: Light Half-Cushioned


Sizing (US):
Medium - Mens 6-8.5, or Womens 7-9.5
Large - Mens 9-11.5, or Womens 10-12.5
X-Large - Mens 12-14.5