Michael Stars oversized Navy short sleeve T shirt - One Size

Navy T shirt that is long and oversized. Measures 32 inches long from shoulder. TShirt is OS (one size fits all). I am a Medium/Large and it fit, but is oversized, so I feel it will fit anyone that is a larger Medium, Large or even XL. Since OS is not an option on Postmark, I am marking it as a Large, as I believe that is the closest estimate to the correct size.