World's Softest Men's / Women's Fit Support Over-the-Calf Socks Acrylic Non-cushioned tops help keep the socks up and won't bind or sag. Light graduated support promotes better circulation. Lightly cushioned sole helps reduce pressure underfoot while absorbing shock. 60% Ultra-Soft acrylic, 37% nylon, 2% spandex, 1% polyester. Made in USA.