Men's PUMA Fast-R Nitro Elite 3 Insoles - Medium: Men's 6-8

- Medium: Men's 6-8

For performance-driven runners

Pointer finger and thumb touchpads for screen connectivity

An extended 3-hour battery life

Warm up quickly

Men's PUMA Fast-R Nitro Elite 3 Insoles - Medium: Men's 6-8Fast R3 is the fastest running shoe weve ever made data back, lab tested, and built for breakthroughs. After testing it on elite runners and real athletes, we digitally engineered and optimized the product fully based on data. Fast R3 is designed to shave minutes off your race time. With its 3. 15% improved running economy*, this translates to an unprecedented potential marathon time saving of more than 4 minutes and 30 seconds, for a 3 hour marathon