Features of Smartwool Men's Everyday Spruce Street Crew Sock Versatile durability Comfort welt with stay put Fit Shred Shield Technology reduces wear from toes Virtually seamless toe for enhanced comfort Overall 8" height Zero Cushion Crew height Fabric Details 52% Merino Wool 13% Nylon 31% Recycled Nylon 4% Elastane 52% Merino Wool 13% Nylon 31% Recycled Nylon 4% Elastane