NANO X1 FRONING MEN'S TRAINING SHOES PERFORMANCE TRAINING SHOES CREATED WITH RICH FRONING You're not one to shy away from a challenge. Created with Rich Froning, the Fittest Man on Earth, these men's Reebok training shoes help you meet your workout head on. Sock-like construction gives you a locked-in fit. Floatride Energy Foam in the forefoot delivers extra cushioning. An Into the Storm graphic was inspired by the bison on Froning's Tennessee farm.