Improve your performance, become competitive and break your records with this fantastic spike. Sole To make your runs as comfortable as possible, Nike has added an EVA midsole. The EVA midsole has enormous cushioning and provides effective protection during your runs, whatever type of run it is. The material is therefore very reactive and provides a lot of comfort. A pebax plate is placed in the center of the midsole to ensure a powerful push-off. The EVA foam midsole provides lightweight, responsive cushioning. The outsole has six replaceable steel spike tips on a Pebax plate. When you run on this plate, it propels you forward and gives you a powerful push off. The spike tips provide excellent grip on all surfaces. Upper With these spikes you get the most out of your performance! Instead of laces, this shoe uses Flywire technology, which uses high-tensile strength wires that function to provide ultimate precision support. This spike comes with standard spike tips and a key.