*From spring marathon training to fall trail runs, keep your cool with the Smartwool® PhD® Run Ultra Light Logo Crew sock!
*Wool-blend crew sock sold in a one-pair pack.
*Run-specific fit.
*200 needle construction provides highest knit density while maintaining ultra light weight.
*PhD® technology is 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.
*Minimal cushioning for maximum next-to-foot performance without added bulk.
*Virtually Seamless™ toe.
*46% wool, 40% nylon, 5% elastane.
*Machine wash cold, tumble dry low.
*Made in the U.S.A.
*Men's-specific mesh ventilation zones provide additional breathability and moisture management.
*Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort