PhD Run Ultra Light Low Cut : Frosty Green

Size Guide

Using our responsibly-sourced ZQ-Certified wool and light cushioning, these running socks contain soft, targeted padding placed where runners need it most: on the ball and heel of the foot. We packed these socks chock full of smart features like our 4 Degree™ elite fit system, Shred Shield™ technology for improved durability in the toe box, and a Virtually Seamless™ toe. And the low-cut height is an ideal balance of protection and comfort.

  • Brand: Smartwool
  • Content: 48% merino wool, 47% nylon, 5% Elastane
  • Cushioning: Ultra Light
  • Made in USA


Size Conversion Chart