Wearing a Man’s Vest?

Does that make me a cross dresser? I threw on my FWB vest as a joke. He’s 6, 2” and 235 lbs. so this XXL looked huge on me. Of course he just saw my tits popping out and that my panties were a close match (?) of gold colours, so he was caught up in the erotic qualities not the factual. I did NOT prepare as I might if this was meant as a photoshoot with make up, hair, lingerie, choices of scenes, etc.
it was fun afterward too!