Breathable, sleek running tank. 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. 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. Reflective details. Reflective details on front and back help you stand out from the crowd.