- Under Armour Little Girls' Size Chart - Under Armour Toddler Size Chart - All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. - The Under Armour® Kids Logo Satellite Tech Long Sleeve tee delivers the perfect mix of comfort and performance. Made from a high-performance cotton blend, it feels soft, smooth, and breathable all day long. Lightweight yet durable, it keeps up with every move, whether it's for school, sports, or play. Finished with the iconic Under Armour logo, it' an easy everyday essential for active kids. - Crew neckline tee in a pullover style. - 50% cotton, 50% polyester. - Machine washable. - Imported.