Contents (Low Cut style): 81% Exclusive THORLON Acrylic , 15% Nylon , 4% Spandex Thorlos exclusive cushion padding for all day comfort. Clinically shown to reduce foot pain, pressures and blisters and any other lesion or break in the skin that can set the stage for diabetic ulcerations and amputation. Non-irritating recessed toe seam Comfortable non-restrictive cuff top Made in Statesville, North Carolina, USA