New from Ames Walker, 20-30 compression men's sock made from Lycra® Spandex (10%) and soft, Microfiber Nylon (90%). A ribbed men's sock, with comfortable, non-restrictive top. Our most comfortable 20-30 men's sock, at a terrific value price. Avail, S, M, L, XL, in Black and Navy. Sizes (order by men's shoe size): Small=7&under; Med=7 1/2-10, Large=10 1/2- 12 1/2, XLarge=13&over