We put all of our smarts into these new and improved run socks that feature our 4 Degree elite fit system, ReliaWool technology for superior durability and a virtually seamless toe. Men's-specific mesh ventilation zones prov...

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We put all of our smarts into these new and improved run socks that feature our 4 Degree elite fit system, ReliaWool technology for superior durability and a virtually seamless toe. Men's-specific mesh ventilation zones provide ultimate temperature and moisture regulation where male runners need it most.

PhD
Built for Performance in the Highest Degree

4 Degree Elite Fit System
Uses two elastics for greater stretch and recovery to keep the sock in place

ReliaWool
Patented ReliaWool technology in high impact areas provides superior durability

Mesh Venting
Men's-specific mesh ventilation zones provide additional breathability and moisture management

Ultra Light Cushion

Minimal cushioning for maximum next-to-foot performance without added bulk

Care
Machine Wash Warm Gentle Cycle. Do Not Bleach. Tumble Dry Low. Do Not Iron. Do Not Dry Clean.

  • Ultra Light Cushion: Minimal cushioning for maximum next-to-foot performance without added bulk. PhD = Built for Performance in the Highest Degree. 4 Degree Elite Fit System: Uses two elastics for greater stretch and recovery to keep the sock in place. ReliaWool: Patented ReliaWool technology in high impact areas provides superior durability.
  • Mesh Venting: Men’'s-specific mesh ventilation zones provide additional breathability and moisture management. 200 needle construction provides highest knit density while maintaining ultra light weight.
  • Virtually seamless toe/ Achilles tab
  • Sock Height: Micro - 1.5" overall height
  • Style: SW0SW148
  • Ultra Light Cushion: Minimal cushioning for maximum next-to-foot performance without added bulk. PhD = Built for Performance in the Highest Degree. 4 Degree Elite Fit System: Uses two elastics for greater stretch and recovery to keep the sock in place. ReliaWool: Patented ReliaWool technology in high impact areas provides superior durability.
  • Mesh Venting: Men’'s-specific mesh ventilation zones provide additional breathability and moisture management. 200 needle construction provides highest knit density while maintaining ultra light weight.
  • Virtually seamless toe/ Achilles tab
  • Sock Height: Micro - 1.5" overall height
  • Style: SW0SW148

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