Women's sandals are made of eco leather. The model has a Velcro fastener. The insole in these shoes has perforation and is extremely soft. It was also made of eco leather. The sandals were placed on a massive platform and a delicate wedge heel. A great model for hot days! When choosing a size, please refer to the size chart. 36-23,5/37-24/38-24,5/39-25/40-25,5/41-26cm