The Under Armour HeatGear Loose Fit Greylock Athletics Men's Crew-Neck T-Shirt in size M is a solid gray shirt made of polyester jersey fabric, perfect for the summer and spring seasons. It features a crew neck, short sleeves, and a breathable design, making it ideal for sports activities. The shirt is machine washable and the Under Armour HeatGear logo accents add a touch of style. Perfect for male athletes looking for a comfortable and stylish athletic top.