Under Armour Alter Ego Bra - Women's Align yourself with your favorite superhero in the Under Armour Alter Ego Bra. Besides its sublimated graphics, this bra features Built For Mid Impact support so you can stay fit and focused. Super soft with a stretchy elastic band supplies comfort and a custom fit. HeatGearŪ is best for weather between 75 and 100 degrees. 90% polyester/10% spandex. Imported.