NIKE ZOOM RIVAL MD 7 AT RED/BLACK MENS SPIKED TRACK SHOE US 7.5 M EURO 40.5 synthetic Phylon foam in the heel provides responsive cushioning. Minimal, lightweight tongue made of sandwich mesh for enhanced breathability. Pebax plate with 7 removable spikes for maximum power. This shoe fits Men's Size 7.5, Women's Size 9, and EURO 40.5 Dynamic Fit technology wraps the arch for a glove-like feel.