2. What's the difference between underwear without rims and underwear with rims?

3. Whether there are rims in underwear.

4. Underwear with and without rims.

1. Steel ring underwear is relatively tight to wear and has poor comfort, but it has a good supporting and stabilizing effect on the chest, which can shape the curve of the chest, make the chest fuller and effectively avoid sagging.

2. Wearing rimless underwear is comfortable and healthy, which can promote blood circulation in the chest and reduce the occurrence of diseases, but it is difficult to achieve the effect of shaping.