From Polo Ralph Lauren, these socks feature:  custom-fit, over-the-calf ribbed dress socks feature a seamless toe and antimicrobial finish. black assortment 3-pack includes one black pinstriped pair, one black dotted square pair and one black bias dotted pair. One size fits men's shoe sizes 6-12.5 cotton/polyester/nylon/spandex machine wash Imported.