EMMA. These crab sandals are made from leather. The jute wedge has a total height of 3.5 cm. The base of the sole is made of non-slip rubber, and the insole is lined with leather for comfort. It also has an adjustable buckle fastening to fit the foot better. The fabric and sole are hand-stitched together with high-quality cotton thread. This model fits true to size; if you are between two, we recommend choosing the larger size.