Mat Azul Marino boots are made with the best quality materials. The boots are made of fabric and waterproof synthetic material, soft, high quality, with excellent texture both outside and inside. This product is manufactured in a standard formwork. We recommend that you allow 8-10mm space compared to the measured sole size. The inner sole (inner sole) made of textile material, offers the foot flexibility and comfort. The interior is made of the best quality textile material. The footwear ensures good breathability of the foot. The rubber sole is flexible and non-slip. The boots respect the anatomical shape of the feet, having a generous space for the toes. The hedgehog fastening system allows the child to be put on quickly.