There really are a lot of different opinions on this subject. And I thought I was the only one who really had an strong opinion on the subject. So here's my take on what I was taught as a child on how to be a respectable/presentable man:
1. All self respecting men should wear some kind of undershirt in public when wearing any shirt with a collar.
2. There are different neck lines of undershirts for a reason.
a. A full neck undershirt should be worn with a button-up shirt when wearing a tie.
b. A V neck is appropriate with a button-up without a tie (if chest hair isn't an issue)
c. A V neck undershirt should be worn with any polo-type knit shirt (again, if chest hair isn't an issue)
d. If chest hair is an issue and you are adverse to grooming, ALWAYS opt for a full neck undershirt.
e. A-style undershirts (wife-beaters) are only appropriate at the beach, gym, or while digging ditches or the occasional yard work (in the back yard). (Unless you cook Meth, in which case it is always appropriate...that's how the rest of us know who you are)
f. if you wear a dark shirt that is somewhat sheer you should wear an dark undershirt, so it doesn't look sheer.
3.The only exceptions to the above rules are:
a. if you wake up in the middle of the night and your house in on fire and you run outside grabbing the first shirt you see.
b. you're doing work in a 3rd world country and don't want to seem uppity.
c. you enter a contest for the sleaziest man.
And let me be clear, I am a straight guy, not a metro-sexual, and I only spend 15 minutes in the morning showering, shaving, and dressing - but I ALWAYS wear an appropriate undershirt (even when it's 100+ degrees)
It seems that some of us have no idea that others notice things like this and can judge us (fairly or not) based on the simply courtesies we extend to other peoples eyes.
This topic is related to men who don't wear socks. Do we need to start a thread on that too?
Has anybody ever heard "Don't trust a man who doesn't wear socks" ?
Well, I live by this too, and it's served me well.
I'm sure some of you will think I'm a nut, but I bet you're probably cooking Meth in your kitchen.
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