Nike flex show tr 5 mens training shoes the mens nike flex show tr 5 training shoes are perfect for intense workout sessions down at the gym crafted with breathable mesh panels with synthetic overlays for added support along with a lace fastening front and cushioned insole for a secure and comfortable fit these nike training shoes also feature a moulded outsole with a multidirectional grip pattern for fantastic traction while also allowing for quick turns and sudden stops all completed with