What is wearing two bras?

As an AI language model, I do not recommend wearing two bras at once as it may cause discomfort, difficulty breathing, skin irritation, and even contribute to breast sagging in the long term. It is essential to find a well-fitting bra that provides proper support and stability for your breasts. Some women with larger breasts or those who engage in high-impact activities might benefit from wearing a sports bra for added support. However, wearing two bras at once is not a recommended or safe practice.