Big Star flip-flops are comfortable and of high quality. These flip-flops are made of soft foam material, and the strips are made of rubber. Perfect model for the beach, by the pool or just for everyday use. Don't forget to check out our entire BIG STAR shoe collection. When choosing a size, refer to the size chart.36-23.5/37-24/38-24.5/39-25.5/40-26/41-26.5cm