I bought it. I thought it was expensive at that time, but I bought it for my figure. If you are not very fat and have only a little meat, Mei Ting will be useful to you. You don't need to wear so many skirts, boots and trousers in winter, because Mei Ting feels warm. I feel hot when I put it on in class, hehe.
The only downside is that it's a little tight. It is best not to wear it for more than ten hours.
People who say it's useless: first, they haven't worn it, and second, they are very fat people. It doesn't matter whether they wear it or not.