Ohoo Mens Slim Fit Basic Pullover Hoodies Sweatshirt Lightweight Long Sleeve with Kanga Pocket

I'm 6'0 and 158 lbs. Should I get a medium or large?, i dont want it looks baggy on me but also doesnt look small

I'm 5'4 and 105ish pounds (I'm only in high school) so should I get a small or medium if I don't want it to be baggy?

I am 6 1 and weight 170 pounds what size should i get?

I am 180lbs, 5'7", 42.5" chest. What size would be best for me?