Fits like an XL. No size or tags. Measurements in pictures .The Vintage United States Marine Corps USMC Marathon Long Sleeve T Shirt is a men's regular fit featuring a classic blue color and a long sleeve design. The shirt is branded with the name "Marathon" and is a unique and patriotic piece that would be perfect for any Marine Corps enthusiast or collector. Made from quality materials, this t-shirt is a comfortable yet stylish addition to any wardrobe.