Colorful cotton mismatched socks. Small = Women's size 6-8, Men's size 5-7. Medium = Women's size 8-10, Men's size 7-9. Large = Women's size 10-12, Men's size 9-11. The cotton yarns are custom made and dyed specific colors for these Sol Mate Socks. The artist works with fiber specialists to develop the cotton yarns for comfort and durability. All yarn is preshrunk before the knitting process. These socks are colorfast so the socks can be machine washed and dried without running or shrinking.