Typically, bra manufacturers make bras for Americans in a minimal size range, with little representation of a correct bra for larger bust size. A D cup is considered large in our market, but in truth, a true D is a small breast size. 34 DD is the average breast size in the US, according to bra sales (not according to true size). Bras designed for larger busts are just nonexistent! 

They manufacture in China with the ‘fast fashion’ business model. Quickly, cheaply, and disposably. They prioritize economy of scale over perfect fit. 

Bras for the North American market have cups that are wider but shallower to compensate for a smaller size range. Each size range increases uniformly; so does the ratio increase between the cup and band size. These bras will seem to fit well enough—loose bands, breasts covered by cups—but they do nothing about the actual purpose of a bra.

Instead, a well-made bra supports and lifts you, removing the strain from your neck and shoulders. In addition, it should provide a flattering, natural-looking yet projected breast shape. 

Polish lingerie designers scale the sizing differently, too!

This narrowing range of sizes has made life difficult for many women, who find themselves wearing the wrong size. It’s especially true for those with larger busts; most often, it’s a band that is too loose or stretchy and cups that are too small on them. In addition, there isn’t enough support in the bra band- forcing the wearer’s shoulders to shoulder all this weight themselves instead. This issue affects women of all sizes and shapes. 

And when a better fit becomes unobtainable thanks to the shorter size ranges, it can be very frustrating indeed.

You can see the unique design of the narrower cup shape here, and the cup construction which creates the lift and projection.The bottom of the cups are constructed with firm, non stretch mesh which creates lift. The top of the cups are a softer, stretchy mesh and lace which follows your contours. The underwire is a narrow U shape that comes up higher in the underarm area, scooping in breast tissue that migrates outward.