- Under Armour Girls' Size Chart - All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. - Your little athlete will love the super-soft feel of the Under Armour® Kids Tech Wordmark Short Sleeve T-shirt. Made with a lightweight cotton-blend fabric, this quick-drying tee features a ribbed crew neckline, short sleeves, and a straight hem for ultimate comfort during any sports activity. 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. - Regular fit and pull-on style. - Brand wordmark on the front. - 100% polyester. - Machine washable. - Imported. Measurements: - Length: 18 in - Product measurements were taken using size SM (8 Big Kid). Please note that measurements may vary by size.