Manuela Fellner, singer and Swiss Grand Prix champion, Switzerland

My posture has improved. I walk nice and upright and don't have any pain in my upper body any more, especially my shoulders. It feels like your stomach, legs and bottom are being toned. It's a great physical feeling!

Werner Keusen sells specialist Italian food, Switzerland

Wherever I’m going, I enjoy walking in them because they are so comfy. You can walk on stony ground and up and down stairs without a problem.

Margrith Sibold from Switzerland

I had an operation on my inner knee joint in January 2014. I realised afterwards that walking in this shoe is extremely good for me. I no longer felt the impact of the ground. I felt like walking in the kybun shoe was very beneficial for my health after the operation.