MASF14 BLUE Orthopedic Sneaker - YDA MOLLITER Upper in technical fabric and suede for comfort and resistance. YDA technology to improve posture and balance the body. Anti-shock system that redistributes pressure loads over the entire sole of the foot. Ultralight biomechanical Rocker Sole sole with non-slip inserts for a stable walk. Enhanced rigidity midsole and 25 mm heel for additional propulsive performance.