Yes it's hot. Yes it may be more comfortable for you to walk around without a shirt. But it is not more comfortable for those of us who are having our eyes stained by your ugly man-titties. I don't expect six-pack abs from you. But I do expect you to take a good long look in the mirror now and again, and do some careful self-assessment. Would you want to look at yourself half naked in public? Trust me, your body is not a wonderland. It's a cesspool of flab that needs to be forever hidden beneath that XXL Ed Hardy shirt.
P.S. You look even stupider driving around like that.