Features of the Smartwool Men's Hunt Classic Edition Extra Cushion Tall Crew Socks 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 64% Merino wool, 10% Nylon, 25% Recycled nylon, 1% Elastane