Of course, there are all kinds of fits on the market, from extra slim to executive fit ... improperly fitted shirts; look for ...

not exclusively dress shirts. Buy one equipped with the right fit, details, and fabrics, and even the most formal of the bunch can kick it in less stuffy environments without eliciting snickers.

It can be slim, but not too tight, to flatter your body while being easy to layer with knitwear, jackets, shirts and suits.