thorlos Women's LTH Light Hiking Thick Padded Crew Sock 65% Thor-Wick COOL Polyester, 16% Nylon, 14% Thor-Lon Acrylic, 5% Elastic Made in USA Turn Inside Out-Machine Wash-Use Liquid Fabric Softner Padding Level: Moderate Cushion Key Benefit: Thorlos Protection = Maximum Comfort Guarantee - Your feet will feel better or your money back! Proudly MADE in the USA | North Carolina Women's specific design includes extra stretch yarn in the ankle and arch, a smaller heel pocket and a smaller custom toe box for a superior fit