The children sports shoes adipure adidas Performance are equipped with an anti-slip, flexible and non-marking outsole. This makes them suitable especially for indoor surfaces. - Patterned and partially slightly shiny surface padded entry with Velcro removable, soft padded insole Upper: Textile, Other Material Lining: (two Velcro strips to Gr 31, from size 32 three Velcro fastener..) textile insole: textile sole: Other material