I mean it's not 100% clear cut like that. Has the person told the boss that it is uncomfortable? They could easily just be oblivious to the problem. Secondly, i

I mean it's not 100% clear cut like that. Has the person told the boss that it is uncomfortable? They could easily just be oblivious to the problem. Secondly, if it's not mandatory there has to be a point where you decide to do what's best for you. For example, it gets really hot outside where I live in the summer but my office puts the AC at ridiculously low temperatures. For me that means I can't wear shorts in the office because it gets too cold. I wouldn't wear shorts every day and act all surprised about it when nothing has changed nor think anything is sexist or even a personal attack on me.