X-Large Men 12.5 plus, Stone Wide Fit Crew Length Socks Acrylic, Nyloin, Polyester, Lycra Spandex A must for tired achy legs! Extra padding at heel and ball of foot where you need it the most. Non cushioned top designed to stay up without binding or sagging. The soft toe seam is super smooth and comfortable. Unisex sizing. (Medium Women 5.5-9.5, Men 5-8, Large Women 9 plus, Men 8.5 - 12; X-Large Men 12.5 plus) Made in the USA.