There is one pair of copper infused socks in here. It's the white and orange one. They are for both men and women of all ages. For men they fit a size 5 to 9 and for women they fit a size 6 to 10. Comfortable cotton socks for any active lifestyle: running, biking, training, etc. Copper ions bound to the fiber level during manufacturing help reduce odors. Powerful moisture-wicking cotton with mesh venting blend keeps keep feet dry. Cushioned toe and sole beds for shock absorption