The Nike Zoom Fly SP “Chicago” is another appealing look for the popular performance running silhouette. The Nike Zoom Fly “Chicago” released in celebration of the 2017 Chicago Marathon. It features cutting-edge technology including a thick Lunar sole with a carbon-infused nylon plate for support and energy return. The Zoom Fly is designed for tempo runs and race day. The model was updated in this ‘SP’ iteration with the intention of making the performance shoe a stylish option for casual wear, as well. The Zoom Fly SP features a transparent upper with seamless branding and striped details in Taupe Grey.