Fluid and quick reaction. The nike legend react running shoe offers contoured comfort, optimized and a simple style. The incredibly smooth and responsive foam cushions your pace, while the mesh and a partial fit provide strategic support and ease in wearing the shoe. Nike react technology for an incredibly smooth pace. System in the medial area of the foot for a secure fit. Partial fit that wraps the foot for a comfortable fit. The mesh ensures breathability and support where it is needed most. The system in the median part of the foot consists of layers superimposed around the under-arms that are integrated with the laces to ensure structure and block. Contoured midsole for greater flexibility that allows the shoe to follow the movements of the foot while running. The design of the sole provides for the use of a greater amount of rubber to obtain traction and optimal movements in the road race.