Insanely soft, breathable fabric|4-way stretch material moves better in every direction|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 The Under Armour Womens Tech Knockout Tank in this White with Black colourway. This is one of the lightest, most breathable shirts we makeand your new go-to. Any sport, any training, any time. Insanely soft, breathable fabric 4-way stretch material moves better in every direction Material wicks sweat & dries really fast