Personal bests await with the 5000v4. Championing a new tongue construction for a secure midfoot wrap and a barefoot-friendly fit, this update provides support without bulk for distances up to 10K. The full-length Pebax® plate and four-spike configuration ensures optimal traction to energise your run mile after mile. Designed for speed, let this long-distance racing spike be the spark behind your drive to out-lap the competition.