Richer Poorer's Sherbet Socks have a classic tube design that offers great support in a flexible, one size fits most style. The midweight construction utilizes a Silver Lining Blend - a quality combed cotton blended with silver fibers for naturally occurring properties to help keep feet fresh and comfortable. They have excellent arch support as well as a reinforced heel and toe for all-day comfort. Features: - Classic tube sock style - Midweight - Silver Lining Blend - Compression arch support - Reinforced toe and heel construction - Non-binding rib welt - Strength lock seams - Content: Combed Cotton, Polyester, Nylon, Spandex - Wash cold. Tumble dry low - One size: US men's sizes 6 -12