Made for small busts (AA–B cups)

The Seaside Top is our signature cleavage-enhancing triangle bikini top designed exclusively for small busts. Featuring our proprietary CupUp™ booster technology, this style creates natural lift, centered definition, and the effortless “brought-together” shape the IBTC loves.

Unlike traditional swim padding, our lightweight silicone boosters are sewn in — no shifting pads, no gaps, no inserts, just sculpting that feels like you… but boosted. CupUp™ enhances the look of up to 2 cup sizes depending on your natural volume and rib cage shape.

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How it fits

• Runs snug in the cups (intentional — the snugness activates CupUp™ lift)

• Adjustable straps + fixed band

• Best for AAA–B cups, petite frames, and anyone wanting extra definition

• If you’re between sizes → size UP

• Expect a lifted, rounded, cleavage-forward look

CupUp™ may feel slightly more structured when you hold it, but once on your body, it feels lightweight, secure, and incredibly natural.

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Who it’s perfect for

• Petite chests looking for natural cleavage

• AA, A, and B cups wanting more shape without padding

• Narrow rib cages needing a sculpted, supportive feel

• Anyone who’s never found a triangle top that actually fits a small bust

• Small-bust shoppers wanting a triangle top that stays put and doesn’t gape

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Why small-bust shoppers love it

• Creates lift without gaping

• Helps breasts sit centered and rounder

• Stays in place thanks to the snug, supportive CupUp™ design

• Booster technology mimics the look of a subtle push-up bra

• Designed so small chests don’t “slide around” in the cups

• Adds up to 2 cup sizes of natural-looking enhancement

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Sizing Notes

• XS: AAA–A cups

• S: AA–A cups

• M: A–B cups

• L: B–C cups

If you are between S and M, choose:

• M for a softer, more relaxed feel

• S for more visible lift and cleavage

Model measurements:

Blonde Model	Size
Size on Model	XS (32A)
Height	5'7
Bust	32"
Waist	24"
Hips	34" (wears size small in classic bottoms)

 

Dark Haired Model	Size
Size on Model	Small (32B)
Height	5'9
Bust	32"
Waist	25"
Hips	36"