SunFree Far Infrared Long Thigh High Leg Warmer ( Black) cotton 42.5%, polyester (far infrared fiber) 42.5%, nylon 12%, spandex 3% Imported MADE FROM FAR INFRARED RAYS FIBER, which improve blood circulation, keep you warm SOFT AND ELASTIC, make you comfortable SOLID COLOR, easy to match your clothes One Size (for thigh circumference 40~46cm), length is 65cm (measured on flat surface) cotton 42.5%, polyester (far infrared fiber) 42.5%, nylon 12%, spandex 3%