Smartwool Light Cushion Hiking Socks Blue M (Women's 7-9.5, Men's 6-8.5) 26% nylon Crew Socks Fit Women's Size Medium, 7-9.5 Shoe Size Fir Men's 5-8.5 Shoe 72% Wool, 26% Nylon, 1% Eltane, 1% Polyester light cushion