Smartwool  PhD Outdoor Ultra Light Crew Socks - Unisex

Sold Out

Sizing chart
Runs Small
Runs Slightly Small
True to Size
Runs Slightly Large
Runs Large

Elite, Minimalist Running Socks.

When you 've got lots of miles to cover but only want the minimum between your foot and boot, the PhD Outdoor Ultra Light Crew by Smartwool is the perfect trail companion. The sock is made from Indestructawool technology – a weave of merino wool reinforced with nylon – that has 5% nylon for extra stretch. It features Smartwool’s new Shred Shield technology for reduced wear from toes. The 4 Degree elite fit system for a more dialed-in fit. Activity-specific mesh zones for additional breathability, this sock was built for mile after mile of trail.

  • 49% Merino, 46% Nylon, 5% Elastane
  • 5" overall height
  • Durable Indestructawool technology
  • 4 Degree elite fit system
  • Performance-oriented fit
  • Shred Shield technology reduces wear
  • Breathable body-mapped mesh zones
  • Virtually Seamless toe

  • Your Cart is Empty