Nike Train Prime Iron DF Black White Red Size 9 832219 002 Excellent condition. Lightweight mesh provides excellent breathability Rugged multidirectional outsole pattern for great traction Flywire cables in the forefoot add dynamic support With enhanced flexibility and traction, the Men's NIKE Prime Iron DF Training Shoe helps you transition from weights to cardio with ease. The dual-density foam and Flywire cables help keep you comfortable while cutting, jumping or running.