The Under Armour Heatgear Shirt is a boys' size YXL gray t-shirt with a loose fit. Made of polyester, this pullover shirt features a crew neck and short sleeves, perfect for casual occasions during the summer, fall, and spring seasons. The shirt is designed with a solid pattern and a logo accent, ideal for a boy who enjoys basketball or other active activities. Easy to care for with its machine washable fabric, this shirt is a stylish and comfortable choice for young boys.