puma has released its new Nitrogen-powered running shoes, the FAST-RB NITRO™ Elite, RB stands for Rule Breaker, which challenges unprecedented running shoe forms with cutting-edge technology and a rule-breaking design that redefines the rules of speed. FAST - RB NITRO ™ Elite is a designed to breakthrough performance limits and modern science and technology innovation of running shoes, running to the concept of "abnormality is innovation" to carry on the design. PUMA believes that rules should not place limits on innovation. . . . #kicksvision #puma #runningshoe #kicksonfire #igkicks #nicekicks #runningshoes #pumashoes