"Men's Puma® Fast-Rb Nitro™ Elite 2: The Men's Puma Fast-Rb Nitro Elite 2 is a cutting-edge racing shoe designed for runners who seek to stand out while pushing their limits. This shoe features a unique pre-running cantilever carbon springboard that enhances propulsion, making it ideal for activities such as racing and intense training. The ride experience is characterized by a distinctly spring-loaded forefoot feel, providing a soft yet energetic sensation that keeps runners engaged mile after mile. The innovative design of the Fast-Rb incorporates a revolutionary cantilever carbon spring formed from two fused carbon-fibre plates. This architecture not only delivers a smooth forward progression but also ensures dynamic energy and rebound underfoot, translating to a responsive ride that feels unlike anything else on the road. The shoe's exposed architecture contributes to its unique aesthetic, while the fit is designed to accommodate runners who prefer a snug yet comfortable experience. With its focus on performance and style, the Fast-Rb Nitro Elite 2 is engineered to break the rules and challenge conventional running footwear. Why Our Fit Experts Love This Shoe""I took the Fast-Rb Nitro Elite 2 out for a series of tempo runs, and the propulsion from the forefoot was remarkable. It felt like I was gliding through each stride, making it easy to maintain my pace without feeling fatigued."" - Sean, Road Runner Sports Fit Expert, Chula Vista Who It's Best ForThe Men's Puma Fast-Rb Nitro Elite 2 is best for neutral runners looking for a responsive racing shoe suitable for tempo runs and fast training. With its spring-loaded feel and dynamic energy return, this shoe is perfect for athletes who appreciate a lively ride that enhances their performance. VIP Family members can take the Fast-Rb Nitro Elite 2 for a 90-Day test drive with our Perfect Fit Promise."