I guess it depends on the job, but I can't stand people in suits. It's so obsolete now. That kind of tired attention to surface conformity only encourages the same old thinking that is responsible for everything sucking. Wear what is comfortable and looks decent. The sooner the puritanical idea that you have to dress yourself in that ridiculous, uncomfortable costume and prance around like some peacock samurai in ful…
You can't stand people in suits? Why do you even care? Let actions speak rather than clothes. I've known programmers who wore fastidiously cut suits and programmers who wore birks and cutoffs. Both clothing classifications produced fast, capable, flexible programmers who could think on their feet, and both classes also produced morons who couldn't code their way out of a paper bag. Look beyond the surface and you wil…
If you like to wear suits, by all means. Sometimes a really nice button down shirt and nice pants feels good.
What really gets me is mandatory dress codes that don't have anything to do with the work getting done, and the outdated thinking that wearing nice clothes means anything. If that's how you are comfortable, please.