Stay comfortable and shaded at the next event under the sun in an official Under Armour Flex Hat from the shop at Lids.com. We offer a variety of Under Armour flex caps from the top brands in sportswear. Our stretch fit hats come in sizes for fans young and old, so you can be sure you can find the perfect gift for someone special. Peruse the collection at Lids to find the perfect fit for your team-spirited look. In addition to classic old-school styles, Lids is stocked with the latest Under Armour stretch fit hats and more headwear to flaunt your die-hard team pride.