AOWOFSMen's Double Breasted Trench Coat Stylish Slim Fit Mid Long Belted Windbreaker

would î be able to put this over a suit? And also what size would be best for me? I’m 5’7 160 lbs

I'm 6'1 and I have a muscular built with broad shoulders/chest. should I get large or Medium?

I am an xlt and my number size is 46 l, i am 6 foot 3 inches and 189lbs. what do you recomend?

Can I dye it a different color if I buy it white?