The one piece swimsuit women is made of stretchy and comfortable ... and then refer to our size chart before ordering, S=US 2-4, M=US 6-8, L=US 10, XL=US 12.
It really should be easier to find larger cup size swimwear options for women, given that 36D is the UK's average cup size. Bikini shopping is anxiety-inducing at the best of times, but for those ...