If I were a betting man, I'd wager that you'll want to wear these socks even when you're not walking your dog. Made with shock-absorbing cushion, soft heel tab, and compression band. S/M fits women's shoe size 5-9/men's shoe size 4-8. L/XL fits womens's shoe size 9-13/men's shoe size 8-12. 39% polyester; 39% cotton; 19% nylon, 3% spandex.