The Nike Zoom Rival S 9 offers a light feel, a snug fit, and a construction that's built for smooth transitions. Designed with the sprinter in mind, it's ideal for events ranging from 60m to 400m, including hurdle events and the long jump. Internal arch band wraps your foot for a secure fit. 3/4-length bootie helps reduce layers and weight. Updated plate design provides optimal traction and transitions. Synthetic overlays throughout the midfoot and heel for durability. Sockliner is designed to conform to the shape of your foot for comfort and underfoot support. Solid rubber throughout the heel has an updated traction pattern for durability. 7 removable spike pins made of aluminum deliver optimal grip.