For when you want support, but still want to feel nimble step into the Asics GT 2000 13 and get running. The GT 2000 13 is built up Asics kaizen (continuous improvement) design philosophy. They place extra cushioning beneath the forefoot for a more comfortable ride. The upper is redesigned to create a superior fit while Asics 3D Guidance System creates lightweight support to help guide and support runners over long-distances.