What to Look For in a 34H Bikini Top
At 34H, the first thing to evaluate is the underwire shape — it should follow the full perimeter of your breast tissue, extending well into the underarm area rather than cutting across it. A wire that's too narrow will cause side spillage no matter how well the cup fits at the front. Next, look at the cup construction itself: fully seamed or three-part cups give the projection and shape a 34H needs, while single-piece moulded foam cups rarely have enough depth. The underband should feel firm on the loosest hook when new — at this cup volume, a stretchy or flimsy band will migrate upward within an hour of wear. Strap width matters too; narrower spaghetti straps concentrate weight and dig in, while wider or convertible straps spread the load more comfortably. Finally, look for a center gore that's tall enough to fully separate the cups — a low gore means the cups are likely designed for a shallower projection than 34H requires.
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 34H? Browse our Size 34H Swimwear collection, or shop Size 34H Bras for everyday lingerie in your size.
Not sure if 34H is your correct size? Use our bikini size chart →