I bought this for my boyfriend since he doesn't have any black long sleeved dress shirts. I was afraid the size for him might be too small for him because he is in between a medium and large. Since this is asian sizing chart, I decided to take a gamble as go with what he usually wears for T-shirt, a large. When he tried this on, he said it feels great, but it looked pretty baggy on him around his ribcage and down. He said it passed the shoulder test and if it's a medium instead, he's afraid it mSee full review