A well cushioned training shoe that provides excellent forefoot and heel cushioning. The patented Wave Spring® technology is located in both the heel and forefoot for maximum impact absorption and energy return that will not break down over the life of the shoe. The mid-foot is supported by a molded external shank support structure to aid in torsional stability. A mid to high mileage training shoe for the serious runner looking for a performance shoe that provides excellent long term cushioning front and rear combined with a high level of responsiveness. For runners who are looking for maximum full length cushioning that provides exceptional protection against impact shock and fatigue.