ASICS Gel Virage 4 features ASICS technologies to both support and cushion the foot the GEL-VIRAGE is an excellent choice for first time runners who are wanting to get serious about their running.ASICS Tiger High Abrasion Resistance rubber is a tough compound used at the heavy contact areas of the outsole. It helps to reduce excessive wear in the most used areas on impact. A system consisting of two or more different density midsole materials. It has been designed to help correct the degree and velocity of pronation during stance.Designed to give maximum cushioning and bounce back whilst still being lightweight. Reflective material enhances visibility during low light hours. Specifically placed to give maximum cushioning and shock absorbtion where you need it most.