The yellow was kind of hard to read so thanks Jenny
I guess I'll answer first. I've had both a tri-top and a double front from underworks. I've also had a compression T-shirt from there but unless you are a small A it won't help and even if your that small it probably wont help.
Tri-top Pros- Firmer compression, less warm because it covers less skin
Cons- Looks too much like a bra for me, gave me dysphoria because it looked like a bra, and I had to get the double front because the tri-top under a white T-shirt didn't seem enough like an undershirt to pass at work.
Double front pros- more breathable, comfortable, gives my chest and stomach a flatter look, helps to flatten the hips
Cons- It's warmer because it covers more skin, if I bounce then they bounce (they didn't bounce in my tri-top), it rolls up around the hips if not firmly belted down, I feel like it isn't enough compression but I can't say that for sure because I think I got one size too big.
Good luck with your binder shopping