Brown Lofoten boots by Kuling. The boots have a velcro fastening for easy on and off. They have a padded collar, a cushioning insole and a sole with rough tread for a sure step. – Waterproof.– Upper: Textiles, Other Materials.– Lining: Textiles.– Sole: Other Materials.– Please note that when you purchase shoes for your child, you should select a size that is 1.5 cm larger than your child's foot. Wellies and boots should be up to 2 cm larger, for extra socks and insoles.Size Guide (Insole): 23 = 143 mm 24 = 150 mm 25 = 155 mm 26 = 163 mm 27 = 170 mm 28 = 175 mm 29 = 184 mm 30 = 190 mm 31 = 198 mm 32 = 205 mm 33 = 210 mm 34 = 217 mm 35 = 223 mm