Just a word of advice, try doing photo editing and use the rotate function before posting so you're not upside down in your picture! I'm sure that by the end of the day you must be getting a headache, lol!
As for me, it wouldn't matter what kind of bra I wore, I sweat like a pig when it 10 below zero! I was just outside doing a few things, just sitting on my chair and I worked up a sweat! We are having a very nice week weather wise, mid 80's low humidity and I sweat sitting on a chair in my garage changing a plug on a fan! Yes, I have a bra on, and a polo shirt and shorts, all my work tees are in the wash. I guess I should have turned the air conditioning on in the garage.