Under Armour Women's Tech Tank Top CLASSIC AND COMFORTABLE The Under Armour Women's Tech Tank Top is constructed from incredibly soft Polyester. Featuring a incredibly lightweight UA TechTM fabric that has more natural feel and is quick drying. Moisture Transport System wicks sweat away and leaves the skin always fresh and cool. Anti-odour technology prevents the growth of odour-causing microbes, and protects the skin from excess sweating while the lightweight stretch construction improves mobility for a full range of motion.