Lindsey Vonn Stars In New Under Armour Commercial (VIDEO)

Under Armour's is out with a new "I Will Protect This House" commercial, and the apparel company's latest offering features female athletes, most notably Olympic gold medalist skier Lindsey Vonn. The ad shows Vonn training, lifting weights and standing on a balance ball. The commercial also features Olympic track athlete Monica Hargrove and Lauren Cheney of the USA national soccer team. Scroll down to watch the video.