SmartWool Men's PhD Snowboard Light Pattern Socks - Past Season 65% Merino Wool, 33% Nylon, 2% Elastane Knit in USA of Imported Yarn Built for Performance in the Highest Degree, Uses two elastics for greater stretch and recovery to keep the sock in place, Patented ReliaWooltechnology in high impact areas provides superior durability, Men's-specific mesh ventilation zones provide additional breathability and moisture management, Light cushioned sole, shin and calf for impact absorption Sock Height: Over the Calf, 14" overall height Flat knit durable toe seam Style: SW0SW037