Made of 56% Mercerized Cotton, 42% Nylon, 1% Polyester, 1% Spandex Men's Canterbury over the calf socks by Gold Toe Over calf with spandex for comfort fit with reinforced toe and heel Stylish ribbed design to wear with suits or regular day to day dress 62% Mercerized Cotton 37% Nylon 1% Spandex Shoe sizes 12-16 sock size 13-15 Care instruction: inside out wash warm tumble dry low Gold Toes Extended over calf gives all day comfort and makes comfort for extended sizes available and with Gold Toes name for quality. Makes a great gift idea for the man on the go or business man comfortable for travel. Please note: Socks are not able to be returned or refunded if they have been removed from their original packaging.