Big Star slippers are made of plastic with the brand logo on the outside, lined with soft foam on the inside. The profiled insole and sole are made of foam material. The delicate platform perfectly insulates from the ground. You should definitely have them in your wardrobe! When choosing a size, please refer to the size chart. 36-22/37-22,5/38-23,5/39-24,5/40-25/41-25,5cm