The Youth Under Armour Long Sleeve 1/2 Zip Performance Shirt in size Medium is a solid gray shirt featuring a mock neck neckline and long sleeves. Made from polyester, this shirt is designed for activewear and casual occasions, with a zip closure for easy wear. Perfect for running and jogging, this pullover shirt is part of the Under Armour HeatGear product line, making it a stylish and performance-driven option for young boys in the fall, winter, and spring seasons.