4 Pairs Unisex Men's Women's Merino Wool Hiker Crew Socks Navy/grey M MADE IN USA Materials : 71% Merino Wool , 24% Polyester , 5% Spandex. Size:M ( Fit women shoe size 6 to 10 and men 5 to 9.5) Length : 8" From top to heel Full Cushioned and Arch Support . Reinforced Heel and Extra Padding .