Natural Flexmotion. The Duo PU sole consists of an extremely soft and cushioning PU midsole and a highly flexible PU outsole. The wafer tread offers particularly good grip on industrial floors, is easy to clean and has excellent LadderGrip. iCELL. The extremely resilient honeycomb structure of the iCELL element improves the shoe's cushioning properties while increasing stability, guidance and comfort. Evercushion BA+. The anatomically moulded, moisture-regulating footbed has a non-slip surface. Two layers of foamed polyurethane in different densities provide active cushioning. The raised areas in the heel and ball of the foot as well as the longitudinal arch support improve support. They also ensure a natural posture of the foot, pressure relief and stimulation of the muscles when walking.