+**34D** designates a specific [Bra Size](/wiki/Bra_Size), reflecting a combination of band circumference and cup volume. It is one of many standardized classifications used in the manufacturing and retail of [Brassieres](/wiki/Brassiere), ensuring a suitable fit based on individual body measurements.
+## See also
+- [Clothing Size](/wiki/Clothing_Size)
+- [Body Measurement](/wiki/Body_Measurement)
+- [Apparel](/wiki/Apparel)