Under Armour's mission is to improve athletic performance through their products. This goal has taken them far in their industry, and it shows that they genuinely care about their customers. They care enough to research and design gear that will help their customers achieve more through using it! The interviewer wants to know that you want to work for them. Through your enthusiasm and your research, you can shine! Let them know how you were impressed with their mission and their latest innovations revealed in recent press releases. Do your homework and expect smiles all around.