What is big nipples through shirt?

It seems like you're inquiring about a situation where nipples might be visible through clothing, which can be a concern or preference for some people based on personal comfort, style choice, or social norms. Here are some points to consider:

1. Material and Fit: Certain materials, like thin or lightweight fabrics, are more prone to showing the outline of nipples, especially if the clothing is tightly fitted. Consider choosing thicker fabrics or layering to address this if desired.

2. Support and Coverage Options: There are products like nipple covers, padded bras, or camisoles that can provide additional coverage. These are often used by individuals looking to minimize nipple visibility.

3. Cultural and Social Context: The perception of visible nipples can vary widely across different cultures and social settings. In some places, it might be seen as bold or fashionable, while in others it might be considered inappropriate.

4. Fashion and Self-expression: For some, having nipples visible through a shirt can be a deliberate fashion choice or a statement of body positivity and acceptance.

5. Temperature and Physical Reactions: External factors like cold temperatures might naturally cause nipples to become more pronounced, making them more visible through clothing.

Ultimately, how one addresses this situation is a personal choice and can be influenced by factors such as comfort, confidence, and the specific setting or event.