Adidas & Porsche Design Bounce:S

Step out of your ordinary running shoes and into Bounce:S by Adidas and Porsche Design ($TBA). Unlike traditional running shoes that lose energy through thick, dense foam, the Bounce:S increases energy return for a more efficient ride. With a metallic spring damping system developed by Adidas, it transfers vertical impact into forward propulsion through expansion of these coils, as well as provide 20% more cushioning and 15% extra elasticity.