Nike flex 2016 rn running shoes ladies run in style as well as comfort in these nike flex 2016 rn running shoes which are a extremely lightweight construction which features a mesh upper which promotes breathability and freedom of movement its lace up fastening is coupled with a flywire technology to provide a locked down fit a fitsole is designed to offer support cushioning and better fit where needed traction is offered thanks to its durable pods situated on the heel and toe nike br