F cup is the sweet spot where great swimwear design starts to get genuinely interesting. You have enough projection to need real structure, and enough choice at this size to be selective.
Support that actually works
At F cup, underwired tops are worth prioritising over soft-cup styles. A proper underwire sits flat against the chest wall, lifts from below, and keeps the cup shape intact when you're moving in water. Freya Swim and Panache Swim both have a strong range of underwired styles at F cup.
Style without compromise
F cup doesn't mean full-coverage-or-nothing. Elomi Swim also makes plunge bikini tops. If you want a one-piece, look for structured cups with adjustable or removable straps — they give you far more flexibility in fit across the shoulders and bust.
Our F cup swim range covers bikini tops, one-pieces and tankinis. All bra-sized, all fitted for projection and shape — not just volume.