San Francisco 49ers NFL Team Wordmark Striped Gray and Team Color Mens Socks (L 9-11) 88% Cotton, 8% Elastic, 4% Spandex Size L Ribbed Mens Crew Socks Fits shoe size 9-11 Mitchell & Ness Embroidered Across back of Sock Compression Through out the Entire Sock Providing a Secure Fit Officially licensed, Manufactured by Mitchell & Ness