Barracuda organic slipper made of recycled black felt. Anatomic insole made of soft cork and covered with pink synthetic fur. TR rubber sole with pink waves. This product is #ecofriendly #animalfree and suitable for vegans. Upper material: felt Insole: synthetic Outsole: TR * Approved by PETA vegans. If you are hesitating between two sizes, we recommend that you choose the smaller one.