Thorlos Women's TX Tennis Thick Padded Crew Sock 88% Exclusive THORLON acrylic, 10% nylon, 2% spandex Made in US Turn Inside Out-Machine Wash-Use Liquid Fabric Softner Style: TX / Padding Level: Maximum Cushion Key Benefit: Maximum Protection = Maximum Comfort Guarantee - Your feet will feel better or your money back! Proudly MADE in the USA | North Carolina Fiber Contents: 88% Exclusive THORLON acrylic, 10% nylon, 2% spandex