Fast-R Nitro Elite 3 quick drying and the expandable zippers help

and the expandable zippers help optimize space within your luggage

It features a roomy reinforced toe box for protection and comfort

with four-way stretch and a durable water repellent (DWR) finish made without intentionally added PFAS

Adjustable ankle strap

Fast-R Nitro Elite 3 quick drying and the expandable zippers helpFast R3 is the fastest running shoe Puma ever made data back, lab tested, and built for breakthroughs. After testing it on elite runners and real athletes, they 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