Mizuno Lady Wave Rider 15 Running Shoes *UPDATED* Mizuno Wave Plate - The wave plate in the Rider 15 has lifted higher on both the lateral and medial sides to create a smoother heel contact and increases durability. *UPDATED* Smoothride Flex Controllers - New Smoothride components have been added to make the maximise the energy transition from heel to forefoot, giving you a smoother step and improved performance through optimal energy transferral through the step. Composite Fan Shaped Wave - Provides the cushioning and helps take the strain of landing and taking off. *UPDATED Heel Construction - The back heel edge has been moved forward by 4mm to accommodate a more cushioned heelstrike. The heel wedge has also been increased by 2mm to create a softer heel contact. Gender Engineering - This shoe is gender specific to women.Research carried out by Mizuno has indicated that there is a significant difference between the biomechanics of men's and women's running gaits. The tests revealed that the angle velocity and speed of pronation is higher in women than in men. The research also found that the transition of the foot strike is slower in men than in women and also the angle of the foot stirke is more severe in women than in men. Due to this reasearch Mizuno