With 58mm of stack and THREE separate carbon plates it should go without saying that the Fast-RB NITRO Elite is not World Athletics approved. Instead, Puma's R&D team decided to think outside the box and create a shoe with no restrictions.

Even within Puma's unique looking range of performance footwear, the FAST-RB stands out amongst the lineup thanks to the massive heel pod and multi-layered forefoot. Sat still, the FAST-RB tends to look like it's almost hovering, on the road it all starts to work in unison with articulation and energy return working together to create a unique running experience that's tested to deliver 7.5% more raw energy return compared with Puma's top-of-the-line legal shoe, the FAST-R 2.

Wild looks aside, there is plenty of familiar features, from the ULTRAWEAVE woven uppers to the NITRO™ Elite midsole foam and PWRPLATE carbon plates. For traction, Puma's industry-leading PUMAGRIP rubber outsole ensures that all of that extreme energy is put down to the ground.