Nike ZoomX Vaporfly 3 Running Trainers Mens The Nike ZoomX Vaporfly 3 Running Trainers have been developed to enhance your performance. Featuring a lightweight Flyknit upper and foam ZoomX unit, the waffle outsole and padding around the tongue will keep you comfortable as you smash your personal bests. With the offset heel seam reducing friction, the trainers are finished off with Nike Swoosh branding at the quarters.