Details From adidas Originals, these black Superstar Foundation trainers are a brand classic that feature white stripes with triple velcro strap fastenings. Crafted with a leather upper and including a cushioned cuff with Ortholite insoles for optimum comfort with style. - Uppers: Leather and other, Inners: Textile, Sole: Other - Please note that when you purchase shoes for your child, you should select a size that is 15 mm larger than your child's foot. Wellies and boots should be up to 20 mm larger, for extra socks and insoles. Size Guide (Insole): 16 = 79 mm 17 = 89 mm 18 = 97 mm 19 = 109 mm 20 = 115 mm 21 = 123 mm 22 = 127 mm 23 = 132 mm 24 = 140 mm 25 = 144 mm 25.5 = 149 mm 26 = 153 mm 26.5 = 157 mm 27.5 = 166 mm 28 = 170 mm 29 = 174 mm 30 = 178 mm 30.5 = 183 mm 31 = 187 mm 31.5 = 191 mm 32 = 195 mm 33 = 200 mm 33.5 = 204 mm 34 = 208 mm 35 = 212 mm 35.5 = 216 mm 36 = 221 mm 36 2/3 = 225 mm 37 1/3 = 229 mm 37.5 = 229 mm 38 = 233 mm 38 2/3 = 239 mm 39 = 241 mm