PUMA Men's Fast-R Nitro Elite 3 Size:12 Textile upper

Textile upper

Energized Performance: Featuring dynamic foam with a powerful energy return

The unique full-length Speedboard® is a blend of fiberglass-nylon that catapults you forward

High-abrasion rubber gives you ground-gripping traction

Liner: 86% recycled polyester

PUMA Men's Fast-R Nitro Elite 3 Size:12 Textile upperWhy You'll Love It: Fast R3 is the fastest running shoe PUMA has ever made data back, lab tested, and built for breakthroughs. Category: Racing Flat Weight: 6. 0oz Drop: 8mm 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