Improved cushioning based on the Zero Shock SystemLightweight footwearLacing; removable insoleInnovation and style in one. Discover our hi-tech technologies that combine the highest level of performance with modern design. Spherica™ Transform the world you move in. Exceptional level of cushioning and optimal breathability. A hi-tech range that combines comfort and soft fit, making you feel light on your feet all day long, whether you're busy running errands or attending formal city events.