The adidas Performance Kids Running Shoes Duramo are equipped with the adiWEAR outsole - for maximum flexibility. The insole is padded and is replaceable. - Breathable Meshoberfläche removable insole with anti-microbial OrthoLite technology slip-resistant profiled, non-marking outsole, front additionally raised slightly especially reinforced heel area padded entry with SchnürungObermaterial: Textile, Others material lining and insole: textile sole: Other material