Take to the track and achieve your new PB with the Nike Zoom Rival S 9 Track Spike in ObsidianMetalic SilverClear Emerald, with smoother transitions and enhanced grip. Updated to be even lighter with a snug fit and smooth transition, the Nike Zoom Rival S 9 is designed with the sprinter in mind for events ranging from 60m to 400m, including hurdle events and the long jump.An updated spike plate uses a new ridged horizontal traction pattern, bringing enhanced grip to the track, while an internal arch band offers a lockeddown feel. Internal arch band wraps the foot for a secure fit. 34length bootie reduces layers and weight. Updated plate design provides optimal traction and transition. Synthetic overlays throughout the midfoot and heel increase durability. Sockliner conforms to the shape of your foot for comfort and underfoot support. Solid rubber through the heel has an updated horizontal traction pattern for optimal grip and durability. 8 removable spike pins made of stainless steel deliver optimal grip.