Under Armour Training Tech Tank. This technical tank top is designed for warm weather workouts. Made with soft polyester fabric, it provides comfort and features sweat wicking technology to keep you cool and dry. UA Tech fabric is quick drying, ultra soft and has a more natural feel. The material wicks sweat and dries fast. It has a dropped, shaped hem for enhanced back coverage and odor control technology. This tank top offers a regular fit for comfort. Material composition is 100 percent Polyester.