Details From UGG Australia, these black Bailey suede mid boots feature two satin bows at the reverse, a faux sheepskin lining and a resilient leather suede exterior. Branding on the reverse and sole completes the pair. For seasonal outings with family and friends, style with dresses and tights for a casual option. - Upper: Leather, Inner: Leather and Textile, Sole: Other USA/UK sizes Standard EU sizes UGG size on the box Approximate Age USA7/ UK 6 23 23.5 2 year USA8/ UK7 24 25 3 year USA9/ UK8 25 26 4 year USA10/ UK9 26-27 27 5 year USA11/ UK10 28 28 6 year USA12/ UK 11 29 29 7 year USA13/ UK12 30 30 8 year USA1/ UK13 31-32 31 9 year USA2/ UK1 33 32 10 year USA3/ UK2 34 33 12 year USA4/ UK3 35-36 34 13 year USA5/ UK4 37 35 14 year USA6/ UK5 38 36 16 year