Lightweight racer that is built for middle distance events. ; Suggested for distances ranging from 400 meters to 1600 meters as well as hurdles. ; Fit Strap provides an enhanced fit that works to generate additional power. ; Spike Plate designed to facilitate performance for middle distances via improved traction while minimizing energy loss. ; 4.00 oz. ; Product measurements were taken using size 7. Please note that measurements may vary by size.