Bio Barracuda slipper made of cow printed synthetic material. Adjustable with buckle on the strap. Anatomic sole made of soft cork covered with beige synthetic fur. TR recycled rubber and cork sole with brown waves. This product is #ecofriendly #animalfree and suitable for vegans. Outer material: synthetic Insole: synthetic Sole: TR and recycled cork shavings. * Approved by PETA vegans. The model we use to make the slipper is anatomical, being a bit wider than other types of footwear. If you hesitate between two sizes, we recommend that you choose the smaller one.