Fellhof Baby Booties 100% lambs sheep wool leather fur brown 100% sheep wool and leather. Made in EU. European size 16/17 = American size 0-1 = for 0-3 months. European size 18/19 = American size 2-3 = for 3-9 months. European size 20/21 = American size 4-5 = for 12-18 months. European size 22/23 = American size 6-7 = for 18-30 months. Sole made from the same material - sheepskin - so these booties are not street shoes.