Smartwool Men's PhD Run Ultra Light Low Cut Socks (Charcoal) X-Large

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.