• Cup Size at Time of Use:  I think large B
• Ratings: 
• Comfort:  3/5
  The newer version is very stretchy and harder to breathe in than older ones.
• Effectiveness: 2/5
  Barely made a difference.  Better off with the Frog Bra.
• Discreetness: 4/5
  Definitely sticks to you.  The length is the biggest problem because it can show when it rolls up.
• Overall: 3/5
  Additional comment:
  I would always advocate wearing Underarmour or a similar product underneath any Underworks binder to minimize chafing and also ease putting on and taking off the binder. 

Reviewed by Kyle G.

• Cup size at time of use: B (?) 
  
• Ratings:
• Comfort: 3/5
  I had some trouble with running short of breath at times and some trouble eating without nausea. I had the longer version, so it also would roll up whenever it wanted and dig into my hips and stomach. Not the most comfortable feeling.
  
• Effectiveness: 4/5  
  It was good for a flat chest (and slightly flatter hips and rear) though, for me at least, it created odd bulges in my armpits from the breasts being pushed out to that area and the binder not quite catching all of the fat.
  
• Discreetness: 4/5 
  I often wore it with an undershirt over it to hide the line from the top hem, though it does kind of make it look like you're just wearing an a-shirt. It annoyed me when I would wear tighter shirts, though with looser shirts, it's fine.
  
• Overall: 3/5 
  Overall, it does what it's supposed to with limited side effects, though the side effects it presents are rather uncomfortable.
  

• Cup size at time of use: 34DD
  
• Ratings:
• Comfort: 4/5 
  It's fairly easy to get on and off, but you have to struggle with it a bit. At first I tried to slip it over my head, but got my arms stuck, so I got it on by stepping into it an pulling it up. It is a couple of inches too long, so you can either double it over, let it bunch up, or tuck it into your pants with some effectiveness. It's also easy to breathe in (most of the time).
  
• Effectiveness: 4/5 
  It gets me pretty flat--but you can still sort of tell there are little bumps there, but you'd have to look at my chest for a little while first. If you don't position your chest right, it'll kind of look like a mono-boob type thing.
  
• Discreetness: 4/5
  Looks like an undershirt, and not a bra, if it peeks out from under my top shirt.
  
• Overall: 4/5