LIGHTWEIGHT COMFORT AND VENTILATION. The Nike Dri-FIT Knit Women's Running Tank Top is made with sweat-wicking fabric to help keep you dry and strategically placed mesh panels for enhanced breathability. Benefits. Dri-FIT fabric to wick sweat away and help keep you dry and comfortable. Racerback design for enhanced range of motion.Mesh panels at upper chest, sides and back for targeted breathability. Seamless construction to help minimize irritation caused by chafing. Colours: Geranium, Grape, Grey. Dri-FIT 52% polyester, 42% nylon. Machine washable.