Twin City Prosport Over the Calf Tube Socks 83% Polypropylene, 8 % Nylon, 7% Elastic, 2% Lycra Spandex 83% Polypropylene, 8 % Nylon, 7% Elastic, 2% Lycra Spandex Moisture Control Antimicrobial and Odor Control Blister Control White Toe for Identification