Adidas Springblade RazorFeaturing a completely new design, the Adidas Springblade Razor is unlike any running sneaker we have ever seen. This innovative model was in development for over 6 years and features Energy Blades that "harness energy and release it back to you in every stride." They also have a breathable mesh upper, SPRINTWEB shell for stability, external heel counter, and signature ADIWEAR outsole.