Wigwam Men's Point Reyes Lightweight Outdoor Peak 2 Pub Crew Sock 50% Nylon, 47% Merino Wool, 3% Spandex Made in US Machine Wash Usa manufactured with a 2 year performance guarantee Features the year-around comfort and performance of merino wool Wigwam 100+ year legacy of proven fit, comfort and durability Peak 2 pub versatility 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)