If you are a woman, you must wear a coat. One is that you can't run well outside, and the other is that you can't run well at home like this.

If you are a man, of course, it is best to go shirtless! It is uncomfortable to wear this way, which will also help to dissipate heat, and it will not be uncomfortable because the clothes are covered with sweat and stick to the body. You can also do less laundry. In addition, shirtless exercise can also speed up metabolism. It doesn't matter whether a man is at home or outside.

So, according to your gender, it is easy to draw a conclusion!