New and exclusive to EMS, SmartWool PhD Outdoor Mid Crew Socks stay in place and offer light cushioning under the foot for all day performance. ReliaWool Technology in the heel and toe improves durability in high wear areas. Women specific fit. Light cushioning under the foot 34 crew height. New 4 Degree Elite Fit System uses two types of elastic across four fit bands to improve fit and comfort with faster flex and recovery. Four point support at ankle, upper and lower instep, and arch to keep the sock in place. ReliaWool technology in high impact areas provides longer lasting durability and protection to keep feet comfortable. Soft, breathable merino wool regulates temperature, manages moisture, naturally resists odor, and does not itch or shrink. Mesh ventilation zones for temperature and moisture regulation. Flat knit durable toe seam for high burst strength. 2x1 ribbed welt 1x1 ribbed leg. Height: 34 Crew. Wash inside out for best performance and long wear machine wash warm, gentle cycle tumble dry low or lay flat to dry.