Women's Puma Fast-R Nitro Elite 3 Shoe size:8 We’ve remastered the geometry of

We’ve remastered the geometry of our propulsive carbon fiber plate

High-performance woven fabric upper reinforced with aramid fibers

There are also reflective elements around the mittens

We didn’t compromise on aesthetics

Women's Puma Fast-R Nitro Elite 3 Shoe size:8 We’ve remastered the geometry ofFast R3 is the fastest running shoe Puma has ever made data back, lab tested, and built for breakthroughs. After testing it on elite runners and real athletes, Puma 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