Alcantara® anatomical insole.- Antishock insert.- The cocooning heel guarantees correct posture.- The spring-back elasticity Poron ® membrane evenly distributes the body’s weight to all areas of the foot, puts spring back into each step and has a strong anti-fatigue effect.INTENDED USE:Light, hygienic and ergo-dynamic guarantees unrivalled high physiodynamic and performance characteristics.Thickness 3 mm, water resistant.