Smartwool PhD Outdoor Light Crew Socks - Men's

Our PhD® Outdoor Light Crew features ReliaWool™ Technology for improved durability in the heel and toe and the 4 Degree Elite™ fit system, to keep the sock in place and giving you all-sport versatility. Features Knit in USA of Imported Yarn: 68% Merino Wool, 29% Nylon, 3% Elastane 4 Degree Elite™ Fit System uses two elastics for greater stretch and recovery to keep the sock in place Patented ReliaWool™ Technology in high impact areas provide longer lasting protection to keep feet comfortable Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management 8.5" overall height Sizing: ADULT SOCKS (shoe size reference) 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