The most technically advanced shoe ever made by ASICS, the Asics Gel Kinsei II 2 represents the ultimate evolution of the Impacr Guidance System, resulting in an amazing ride with the highest level of comfort on a stble, balanced platform. SoLyte midsole material combines better durability with lighter weight. The Discrete Heel Unit allows for better control of the material density throughout the heel unit. Improved forefoot cushioning and ride. More flexible.The Asics Gel Kinsei 2 offers more Gel cushioning than any other Asics shoe locating the Gel unit closer to ground level for greater effect. Do not hesitate but feel free to place an order!