An unlined bra has no foam padding and no lining — just a single layer of fabric forming the cup. The fabric can be opaque (making it a minimal everyday bra) or sheer/lace (making it an intentionally see-through lingerie piece).
Unlined bras are favored by small-to-medium cup wearers who want a less padded, more natural silhouette, and by larger-cup wearers who want support without bulk.
How to Identify
- No visible padding or lining in the cup
- The cup fabric is a single layer
- Often sheer — you can see skin or outline through the cup
- Usually underwired for structure


