sock size 9-11, fits shoe 6-9 * 70% acrylic 20% nylon 10% spandex * choose between a 6-pair pack, from right to left, 2, 2, 1, 1, or a 12-pair pack, from right to left, 4, 4, 2, 2, * all 6-packs are $9.99 all 12-packs are $14.99 * machine wash warm, tumble dry low