- Under Armour’s mission is simple: to make you better.- That means if you set a goal, we’ll help you crush it.- We do that with performance innovation and game-changing shoes, shirts, and digital tools that push the limits of what you thought possible.- Under Armour’s mission is simple: to make you better. That means if you set a goal, we’ll help you crush it. We do that with performance innovation and game-changing shoes, shirts, and digital tools that push the limits of what you thought possible.