The adidas Performance Children slippers Zsandal are closed at the toe portion and the heel, which provide additional protection. Thanks to its light weight, it wears particularly angenehm.- Velcro fastener for optimum leveling Velcro also adjusted the heels bolt so a perfect fit is achieved with openings all around, so that the foot can breathe typical logo stripes on one side of the shoe upper material: Other material lining & sock: Other material sole: Other material