Nike City Sleek Women's Trail Running Tank - Black Conquer your miles in the ultra-lightweight, quick-drying comfort of the Nike Tank, Nike Running's lightest performance top. Flat seams feel smooth against your skin, while a bonded neckline helps prevent chafing. This product is made from at least 75% recycled polyester. Lightweight Comfort Nike Running's lightest performance top, the tank features Dri-FIT Technology to help keep you dry, comfortable and focused. Cooling Ventilation Mesh at the sides helps keep you cool when your run heats up.