Pink Smile Mid WP sneakers by Viking. The sneakers have an upper with leather details. They have a waterproof membrane, a padded collar, a lace fastening, a zip closure at the side for easy on and off, a non-slip sole and reflective details for visibility. – Upper: Leather, Textiles.– 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.