Size 40C Bikinis

At a 40C, you're in a size that requires serious attention to band engineering. A larger band with a moderate cup means your bikini's primary job is to keep that band stable and supportive — generic retail fails this completely. Most brands assume that larger bands can get away with thinner construction or oversized proportions, which is exactly wrong. A 40C bikini needs to be engineered specifically for your band size, with a firm band that stays in place and proportional cup coverage that actually fits. We've curated this collection for 40C customers who understand that at a larger band, support is everything.