I personally don't think it's proper for a man to take off his shirt unless he's on the beach or by the swimming pool, and in those settings I would not have a problem with women going topless.
I used to go shirtless all the time when I was in construction. 8 hours a day 5 days a week or more...
"Well I'm in business, the business of kicking your a$$, and let me tell you...business is boomin'. I'm open for business, the business of givin' you the business...
Soylent Green is my kind of people.