This Midweight boot sock takes comfort to the next level! Fully cushioned, combed cotton sole and flat-knit top for incredible comfort. Graduated compression in the leg helps reduce fatigue and ensures that the sock stays up. Best of all, this sock is outfitted with Copper Ion Technology that fights odors and actually improves the appearance of skin after repeated wear. Unique blend of 70% combed cotton, 20% nylon, 8% polyester, and 1% Lycra spandex fabric. Imported.