Nike WMNS Zoom W 4 are excellent spikes for women running medium and long distances looking for a combination of features such as lightness, stability and flexibility in their racing shoes. They are ideal for running distances from 800 to 5000 meters.UpperThe use of lightweight mesh with excellent breathability ensures ventilation, comfort and fit to the foot.Strategically placed inserts made in seamless technique provide foot stabilization without adding unnecessary weight.The internal construction in the shape of a band in the middle of the shoe provides a better fit to the foot and prevents its uncontrolled movements even during fast running.MidsoleThe Flashlon foam formed as a result of a technologically advanced pressing process guarantees incredibly low weight, dynamic rebound and adequate cushioning.Reinforcement in the midfoot area provides the necessary cushioning and support for the main arch of the foot, especially important during long runs.Outer soleTPU Sharkskin used on 3/4 of the shoe length - a material modeled on shark skin, allows for a reduction in the shoe's weight while providing additional grip and a more reliable bounce.Five replaceable screws are placed in a durable, flexible and lightweight Pebax layer.Optimal screw positioning allows for maximum grip, speed and power when hitting.