Smartwool PhD Outdoor Heavy Crew Sock Women's

An updated version of a classic design, the Smartwool PhD Outdoor Heavy Crew Sock features improved durability in the high wear areas and an advanced fit system to keep the socks in place and give you multisport versatility. 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 increases durability Strategically placed mesh ventilation zones Flat knit durable toe seam for high burst strength Bi elastic fit bands provide faster flex and recovery throughout the foot 7.5 average height Knit in USA of Imported Yarn: 71% Merino Wool, 27% Nylon, 2% Elastane