Flip-flops by Big Star are all about comfort and quality. The flip-flops are made of soft foam material. Material strap is a guarantee of comfort! Be sure to check out our entire collection of BIG STAR brand shoes. When choosing the size, please suggest the size chart available after hovering over or clicking on the size. 36-23.5/37-24.5/38-25/39-25.5/40-26/41-27 cm. Big Star brand flip-flops.