One size, kid-sized! We decided not to get crazy with sizing so these socks fit kids ages 5 to 12. And if the socks are too big for mini feet...just wait, those feet tend to grow when you're not looking! If they're too small for big-footed kids, get our s/m socks for men or women. If none of our kid's, women's or men's socks fit your kid's feet, there might be something going on that Monochrome cannot solve.
