I've purchased many different waist trainers, but this one really works. It's comfortable, firm enough to hold you but soft and flexible enough to move with you with no discomfort. I sleep in it. I wear it all day at work, as I bend and sit. I don't have any issues with it getting too hot or uncomfortable or riding up on me. It really defines the waist and stomach and shapes the figure into the hourglass figure your looking for. My first sculpture trainer I ordered was wonderful. I've lost we...