The Profi Birki Pu (Polyurethane) Clog Is Suitable For A Variety Of Professional Applications. With Its Raised Heel Section, This Popular Clog Provides The Feet With All-Around Protection And Grip. The Flexible Pu Material Features A Smooth Surface And Is Not Only Oil- And Grease Resistant, But Water- And Dirt-Resistant, Too. As A Result,