SockGuy Men's Armwarmer Socks, Green, Sock Size:10-13/Shoe Size: 6-12 75% Md Acrylic/15% Spandex/10% Nylon Machine Wash Sockguy arm warmers are made from the same ultra soft micro-denier acrylic as our socks, so they are the softest arm warmers in the industry Stretch-to-fit sizing Elasticized wrist-cuff