The Nike Zoom Rival S are especially designed for Sprinters and are ideal for short distances, hurdles and long jump. The soft insole offers a lot of comfort when sprinting. A sturdy plate with strategically placed spikes stretches underneath the foot arch. The spikes enclose the feet in a comfortable way. The lightweight spikes offer a lot of traction and are made for reaching maximum speeds. 1/4 pyramid spikes & key included.