Features of the Smartwool Men's Hunt Classic Edition Full Cushion Tall Crew Sock All-day comfort Taller crew height accommodates a wide range of hunting boots Smartwool 2 degree Fit system with elasticized arch and ankle support designed to keep the sock in place Flat knit toe seam for additional comfort Fabric Details 63% Merino wool, 13% Nylon, 22% Recycled nylon, 2% Elastane