For toddler sizes 6 to 12 please enter “Bailey Button Toddlers” in the search box above. For children’s sizes 13 to 4 please enter “Bailey Button Little Kids” in the search box above. The foundation of the UGG collection. These are the original authentic boots for ultimate comfort and warmth taken down to little ones sizes. Upper: Twin-faced sheepskin with suede heel guards. Kids knit boots feature wool/acrylic blend uppers with sheepskin. Insole: Genuine sheepskin sock that naturally wicks moisture away and helps keep your feet dry. Outsole: Molded EVA that is very light and flexible.