Men's Compression Baselayer Athletic Workout T Shirts

My dress shirts that fit me (near) perfecr says 15-34, i am 5'7; what size should I get?

Im 6ft 195lbs 15%bf athletic body. Is xl going to be too loose? Using for grappling wear.

My chest is 42-43 and waist is 36, i don’t know whether to use the third pic or usa standard for size reference. should i go for l or xl?

How many shirts do you get