NIKE Pro Core Tight Crew Sleeveless Top Build a strong workout foundation in the Nike Pro Core Sleeveless Tight Crew Mens Top. This tight-fitting top is a perfect base in your athletic wear layering system, featuring a crew neck and flat seam construction for breathability and mobility while training. The Training Shirt features an engineered Dri-FIT stretch body for a dynamic fit and superior comfort. This garment has been made from technical fabrics that provide optimal ventilation and moisture management as well as strategically designed seams that will enhance comfort during workout. Fabric: Body solid: Dri-FIT, 84% polyester/16% spandex jersey Dri-FIT, 45% polyester/39% nylon/16% spandex jersey. NIKE Pro Core Tight Crew Sleeveless Top Manufacturer: NIKE Range: MENS