These awesome ostrich knee socks have always been a best seller for adults, so we are stoked to see kids' ostrich socks available. Big grumpy ostrich faces peer out from the sides of these funny knee socks for kids. For those grumpy mornings, dress your kid in funny ostrich socks to match their mood! Two sizes fit kids ages 3 to 6 (shoe sizes 8 to 13) or 7 to 10 (shoe sizes 1 to 5). 70% cotton, 28% polyester, 2% spandex. Made in Korea.