From WWE.com:

Beginning WrestleMania Sunday, WWE unleashes an explosive partnership with Under Armour sports apparel to bring the WWE Universe the new Alter Ego clothing line!

The release of WWE merchandise with Alter Ego gives the WWE faithful an opportunity to be like their favorite WWE Superstars – displaying t-shirts of the likes of Hulk Hogan, John Cena, Daniel Bryan and “Stone Cold” Steve Austin!

Pick up your Alter Ego shirt today at Under Armour stores, the WrestleMania Superstore and by clicking here!