Size 40HH Bikinis
Also labeled US 40L and EU 90L
A size 40HH bikini is in genuinely elite specialized territory. A larger band combined with a very full cup is a size that demands swimwear engineered by people who actually understand the physics of fit at scale. Generic retail completely abandons this size. Your size 40HH bikini has to handle serious volume while maintaining support, comfort, and confidence — and that requires intentional design at every level. We've curated this collection specifically for 40HH customers who know their size, understand what they need, and deserve bikinis that actually deliver. Every style here is selected because it genuinely works for your proportions.
Common Fit Mistakes for Size 40HH Bikinis
The first mistake 40HH customers often make is accepting ill-fitting styles because "it's close enough." At a size 40HH bikini, there is no close enough — fit either works or it doesn't, and there's no middle ground. Another critical error is choosing styles with thin straps or inadequate strap placement; your straps carry real load and need to be positioned far back on the shoulder, not at your neck. Avoid anything with minimal cup seaming or lightweight fabric — these don't scale to a 40HH. Never size up in the band thinking you need more room; you'll lose all support and the cup will become too wide. A properly fitted size 40HH bikini should feel secure, stable, and intentional in every way.
Cup-Sized Bikinis, Curated by Fit Experts
At The Bra Diva, we carry bikinis the same way we carry bras — by actual bra size, not just by small, medium, or large. Every style in this collection is selected for its construction quality, true-to-size fit, and ability to hold up in and out of the water. Our team has been fitting customers since 1987 at our Cherry Hill, NJ boutique, and we bring that same expertise to every size we carry online.
Shopping for more styles in size 40HH? Browse our Size 40HH Swimwear collection, or shop Size 40HH Bras for everyday lingerie in your size.
Not sure if 40HH is your correct size? Use our bikini size chart →