The NWT Boy Medium Under Armour HeatGear T-Shirt in Black with Christmas Tree Lights design is a stylish and comfortable choice for young boys. Made from 100% polyester, this short sleeve shirt features a medium fabric wash and a fun Christmas tree lights pattern, perfect for the holiday season. The Under Armour brand and HeatGear technology ensure high quality and performance, making it a great addition to any boy's wardrobe. Available in Boys Sz 4, 5, or 6, this T-shirt is a festive and practical choice for active kids.