Warm reminder: Adidas slippers are marked with FR code 36.5 on the page (consistent with the information on the official adidas page), but the actual official physical size is code 37 (marked inside the shoe: US4 UK4 FR37 JP225 CHN225). Buyers and sellers are advised to inform this. Classic design, casual and comfortable. This slipper contains point arrays designed to massage the feet. Comfortable underfoot.