The answer is more complex than you may think. C cup breasts are one cup size smaller than D cup breasts. C cup breasts are two cup sizes larger than A cup breasts. Again, assuming your ribcage measurement is the same, your overbust measurement will have increased two inches to get from an A to a C cup. This is where things become less straightforward, because C cup boobs can look quite different on different people. Person A would be a 30C and person B would be a 40C.
Shopping for bras can be a tedious and uncomfortable process, especially for women with big boobs. Despite what the diamond-studded fantasy bras of years past may tell us, bras can feel extremely unsexy to try on and purchase. And many American lingerie manufacturers cater to smaller cup and band sizes, leaving bustier consumers with ill-fitting or drab styles, if anything at all. Frequent Cut contributor Aude White has raved about Chantelle, a French brand that makes bras that are both well-fitting and sexy. This minimizer can reduce up to a cup and a half in size and has more than positive reviews. Shoppers say that its sleek silhouette makes it ideal under T-shirts but that the material might not be well suited for hot days. Available in sizes 32D to 44F.
When it comes to bras, good support is hard to find, especially in a cute style AND a comfy design. That's why we've scoured the internet for the absolute best bras for large chests—more than 4 stars or they're out! Scroll on if you're in the market for something that actually works. Love Cosmo?
So you think you know what a D cup looks like? So the above photo — what size does that look to you? You might be chiming up with a D cup, pretty big but not huge.