Smartwool Men's PhD Run Ultra Light Micro Medium Gray

Category: mens, SmartWool, socks

Type: Socks


Pin It


When it comes to running socks, we pull out all the stops to keep making improvements on our products. With brand-new Shred Shield™ technology to help improve wear in the toe box, our PhD® Run Ultra Light Micro socks feature the 4 Degree™ elite fit system and our Indestructawool™ technology for a dialed-in fit and improved durability.


4 Degree™ Elite Fit System: For a dialed, performance-oriented fit with flex zone at ankle joint

Indestructawool™: Indestructawool™ Technology Features A Patent-Pending Construction Method For Exceptional Durability And Comfort

Mesh Venting: Mesh ventilation zones provide optimum moisture management and maximum breathability

PhD®: Built for Performance in the Highest Degree

Shred Shield™: Shred Shield helps reduce wear from toes

Ultra Light Cushion: Minimal cushioning for maximum next-to-foot performance without added bulk


  • Indestructawool™ technology for enhanced durability
  • 4 Degree™ elite fit system for a dialed, performance-oriented fit
  • Shred Shield™ technology reduces wear from toes
  • Body-mapped mesh zones for added breathability
  • Virtually Seamless™ toe for enhanced comfort
  • Achilles tab designed to prevent sock from slipping down into footwear
  • 45% Merino Wool, 50% Nylon, 5% Elastane


Related Items

Newsletter Signup

Subscribe to our newsletter and become an exclusive VIP – receive exclusive deals and offers.