The Under Armour Womens Tech Knockout Tank in this White with Black colourway. This is one of the lightest, most breathable shirts we make and your new go-to. Any sport, any training, any time. Insanely soft, breathable fabric moves better in every direction with 4-way stretch material. Material wicks sweat & dries really fast. Classic racerback design with wordmark taping details. Odor control technology minimizes odor. Style #: 1389851. 90% Polyester/10% Elastane. Imported.