Boyzn1or3,5,7 Pack Workout Shirts for Men, Moisture Wicking Quick Dry Active Athletic Men's Gym Performance T Shirts

I'm 5'9" 140 pounds. Small?

Are these shirts skin tight?

I am 5’5 180lbs and i want it to be fitted because i use them as under shirts. more than likely i’m a 42 chest, what size do you recommend?

Want a really soft t-shirt ?? Plus i sweat a lot