What is a 40K in other brands?
350 bras tracked in 40K · 7 brands · See all K cup
Brands: Bravissimo, Elomi, Fantasie, Freya, Glamorise, Panache, Wacoal
A 40K isn’t the same in every brand. Here’s how a standard US 40K translates across the brands we track — and how each one runs.
Read the 40K buying guide
Top picks, sister sizes, and how to spot a good 40K fit.



























































