My "Favorable" t-shirt from poker vlogger Andrew Neeme is about the only poker themed thing I ever wear. It's also batting 1000 for me - never lost while wearing it (sample size of 2)
I wear an adult diaper so I don't have to miss hands taking a bathroom break.
This is a -EV strategy. I like to go to the bathroom to give myself timely pep talks as I stare at myself in the mirror.
Also, I once hid in a bathroom stall and overheard one of the players from my table plotting a strategy to bluff me the next time he was on the button. You should have seen his face when I called him down with a Q high and took the pot!
Used to wear a V-neck, aviator glasses, and assless chaps until it was pointed out to me by a friend that my right cheek gets goosebumps when I'm bluffing. Quickly fixed that leak and now stick with this:
You absolutely should wear clothes with poker sayings, cards, or casino logos. It's so intimidating and immediately lets me know that you mean business! In fact, my ranges for you change by how many words and symbols are visible on your clothes. I then adjust my estimates by how dark and/or mirrored your glasses are.
I saw a guy wearing violet colored velour pajamas there a couple months ago. This seems optimal but I haven't saved up enough money to buy some for myself yet.
Even though i play poker more than 6 nights a week, i still enjoy it as a night out. I wear my stylish clothes. I shower, brush my hair, wear cologne, nice shoes, etc. I get a drink or 2 or 3, i laugh, i make friends, and i look forward to every night.
Wear what you are comfortable with or what you feel looks good. if you try to dress with the affectations of a player, people will see through you pretty quickly.
Anyone who wears logo'ed poker gear, unless they are sponsored, is pretty quickly classed as a hobbyist or a poseur.
Some B+ to A- trolling ITT. For reals, poker douche outfits might as well have "I think I'm better than I am, and will FPS spew a few times per session" printed on them.
I cultivate a MAWG ABC rec-player image, so I wear the clothes those guys wear. Fortunately, that's pretty much what I wear anyway, so I just change out of work clothes and head to the casino.