The ergonomic shape reduces pressure points during prolonged use, puma shoes sole.
Fast-R3 is the fastest running shoe we??ve ever made ?C 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 runner. We cut 95g from its predecessor, stacked it higher with new and improved NITROFOAM ELITE, and extended the carbon PWRPLATE for maximum propulsion.A responsive foam compound delivers consistent energy return, puma signature shoes.
