Pro-Tect Women&rsquo;s Copper and Merino Wool Hiking Crew Socks - 1 Pair Made in USA Soft Merino Wool to wick moisture from feet and Copper Oxide yarn to combat against odor and bacteria Additional Copper Treated Fabric In Heel Area To Prevent Fungus & Bacteria Build-Up While Adding Extra Heel Support Extra Padding In Front Toe Reduces Friction While Hiking, Climbing, & Walking On Your Favorite Mountain Hikes One Size Fits: Women's Shoe Size =&gt; 6 - 9 1/2 62% Merino Wool - 13% Nylon - 11% Copper Oxide Polyester - 11% Polyester - 3% Lycra Spandex