It’s time to take ”burr” out of your running vocabulary. Stride out in our PhD® Run Light Elite Mid Crew. A Merino blend and mesh zones designed for runners help keep your feet warm during long winter runs. With a run-specific profile and our 4 Degree elite fit system, with two elastics for greater stretch and fast recovery, these socks stay in place at every turn and up every hill.

• 6" overall height
• 200 needle construction provides high-density cushioning while maintaining light weight
• Mid crew height adds extra warmth under tights
• Virtually Seamless™ toe
• 4 Degree™ Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
• Indestructawool technology features a patent-pending construction method for exceptional durability and comfort
• MenÂ’'s-specific mesh ventilation zones provide additional breathability and moisture management
• Light Elite Cushioning provides maximum impact protection with targeted cushioning on the ball and heel of the foot. Designed specifically for runners
• Knit in USA: 54% Merino Wool, 43% Nylon, 3% Elastane

Sizes US Men US Women Euro UK

Small 3 - 5.5 4 - 6.5 34 - 37 2 - 4.5

Medium 6 - 8.5 7 - 9.5 38 - 41 5 - 7.5

Large 9 - 11.5 10 - 12.5 42 - 45 8 - 10.5

X Large 12 - 14.5 n/a 46 - 49 11 - 13.5