This blue wave is such a beautiful color, I really wanted to like this shirt. My first order was X-Large with a 17 inch neckline. And while the neckline fit as expected, the shirt itself felt like a tent - I could probably put on 300 pounds and still have room. So I returned it. for a large 16" neck "Extreme Slim Fit". Not just thin, but very thin. Tight in the neck, of course, but bearable. However, the shirt itself is still too big. And I have to assume, if the EXTREME SLIM FIT is thenβ¦