72.1% Polyamide, 18.4% Polyester, 9.5% Spandex; S/M Calf size 9-15in, L/XL Calf size 14-16in Machine Wash ★Moisture-Wicking & Breathable: These athletic compression socks are made of high performance fabrics with environmental auxiliaries of "moisture-wicking" effect, aiming at providing dry fit feeling. At the same time, mesh design around the calf make your