The 12.16 Black/Gold sock is a true Italian model and is calf high as custom demands. A strong, durable and yet very light and airy sock. Our Black/Gold sock is made of a cotton/lycra mix with the right support and reinforcement to the toe and heal. Efficiency, Breathability, Freshness and Comfort. Q skin is the fiber that takes care of your skin. This exclusive technology limits bacterial growth preventing body odor.