Sibba Men's Dress Shoes Suede Slip On Flats Dress Loafer Slim Mocassin Leather Boat Driving Shoes Black 80% leather / 20% rubber Synthetic sole Platform measures approximately .25" Suede Flexible,rubber driving sole and heel protector. Slip-on design for quick and easy on and off,Breathable pu leather lining Great Loafers for indoor /outdoor activity. Rubber outsole allows you to enjoy the Loafers both indoor and outdoor.