Upper material: Processed by 100% pure wool felt in the production, this material insulates optimally and is also particularly breathable. Slip in and you won't slip out! Sole & footbed: The thick integrated footbed is made of a cork-latex mixture which is anatomically shaped and cushions your steps. It continues to adapt to your feet as you wear it to provide very comfortable, individualized wear. The profiled rubber sole is slip-resistant and makes them suitable to use outdoors. Product: A very popular clog due to its arch support! Since all feet are different, it is a matter of trying the clog on, to see if the provided arch support is enough for your feet and their needs