The Nike AeroSwift Top gives you mobility and lightness for your run. Its open cut allows you to benefit from maximum freshness when you intensify the effort. This product is made with at least 75% recycled polyester. Nike Aeroswift technology incorporates innovative features and materials as well as a precise fit for exceptional freedom of movement and lightweight comfort that keeps you going at the finish line. Lightweight fabric with Dri-FIT technology to help keep you dry and comfortable. Data collected from runners has been used to place slits in the fabric where you need them to achieve the ultimate in breathability. The Swoosh logo on the top of one of the straps echoes Nike heritage. Slim fit for a snug fit. Longer hem in the back. 100% recycled polyester.