I'm a stocky dude with wide shoulders. These varsity style jackets don't typically fit without me going up a size or two and even then it's just not right. I'm a 4X/5X tee but sweatshirts, hoodies and jackets 5X is baggy like I like em. I grabbed a 6X because experience told me that would be the move. I was right. So if you have shoulders and or big arms, go up maybe a size or two in these. Body is a little roomy but it's fine. Shoulders fit arms fit, this is perfect.