The Asics Gel-Hyperspeed 6 is a lightweight and supportive racing shoe designed to give you the performance you need from short distance up to Marathon thanks to its generous amount of technology packed in. Features and Benefits: With a Rearfoot Gel Cushioning System employed it attenuates shock during the impact phase and allows for a smooth transition to midstance. The Magic Sole vented midsole and outsole minimises weight and maximises breathability. The shoe features an EVA Sockliner placed inside for added comfort which can be removed to accommodate a medical orthotic, and has asking been shaped with Slip Lasting to make it lightweight and flexible. This shoe features a racing specific last designed specifically for speed.