The Under Armour Men's HeatGear Short Sleeve Gray Tee Shirt in size medium is a lightweight and breathable activewear top suitable for various sports such as baseball, softballs, football, and more. Made of polyester with a crew neck and pullover closure, this vintage-inspired shirt features a relaxed fit for comfort during workouts and activities. The shirt is machine washable and designed with a solid gray color and the brand's logo accents, making it a versatile choice for summer, fall, and spring seasons. Perfect for men looking for a quality base layer top for their active lifestyle.