The arm sleeves actually stay put through a full workday, and the waist panel gives that snatched look without feeling like I can’t breathe. I’ve worn it under dresses and even to the gym, and it smooths everything out exactly as promised.
It does what it says—my waist looks noticeably snatched under fitted tops, and the sleeves stay put without rolling up. Took a bit of wiggling to get it on the first time, but once it's in place, it's comfortable enough for a full workday.