Wigwam Women's High Point Classic Stitch Pattern Socks 47% Merino Wool, 26% Nylon, 24% Polyester, 3% Lyocell Made in US Machine Wash USA manufactured with a 2 year performance guarantee The combination of merino wool and patented DRI release engineered blend keeps feet dry and odor free Wigwam 100 plus year legacy of proven fit and comfort and durability Classic intricate stitch pattern works for casual or dress applications Men's sock sizes - medium (fits us shoe size 5-9.5) large (fits us shoe size 9-12) X-large (fits us shoe size 12-15)