Nike Mens Zoom Fly 4 Running Athletic Shoes Sneakers - Black Hyper VioletThe Nike Zoom Fly 4 for men are neutral competition running shoes. Next to looking closely at its predecessor, these fourth editions of the Zoom Fly draw a lot of inspiration from the legendary Nike Vaporfly. The Fly 4 is designed for running long distances at high tempos. Updates are especially found in the upper of the shoe, which now provides even better ventilation. The upper is made of light mesh material. Thanks to this it is softer and provides