Lightweight, Breathable AND Built FOR Speed. Lightweight fabric and a streamlined design keep you speeding for the finish line in the Nike Dri-FIT Race Top. Mesh in key areas helps keep you cool with every step. It s made with 100% recycled polyester fibres. This product is made with 100% recycled polyester fibres. Ready, Set: The Race collection was designed for performance so you can reach your personal best. Lightweight silhouettes are geared for breathability, keeping you quick and cool as you approach the finish. Swoosh graphics - on the front left shoulder and on the back right—are reflective. Lightweight Design: Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. It combines with airy mesh on the sides and back for light breathability Solid on the front for extra coverage. Not intended for use as Personal Protective Equipment (Ppe). 100% Polyester.