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Acaso Inc.

Siena’s Button Bikini Bottoms

Siena’s Button Bikini Bottoms

Regular price $75 USD
Regular price Sale price $75 USD
Sale Sold out
Size

A cheeky fit with major adjustability.

These bottoms do the most—with 2 bold buttons, 4 D-rings, and slider straps that let you switch from low-rise to high-rise in seconds. Designed to contour and flatter, they feature:

  • Adjustable sliders for flexible rise and hip fit
  • Black and white contrast trim with custom button accents
  • Recycled outer fabric that’s UV-protective and chlorine-resistant
  • Soft, smooth lining that feels great against your skin

Flirty, functional, and made to move with you.

Fit Notes – Siena’s Button Bikini Bottoms 

  • Xufe is 5'7" and wears an XS bottom
    – She styled them mid-rise using the side sliders. The D-rings keep the fit secure while adding that retro edge.
  • Storrey is 5'6" and wears a 1X bottom
    – The adjustable straps let her choose the rise and fit that feels best—no digging, just smooth, flattering comfort.

Fit tip: Use the side sliders to customize the rise—go low for a vintage hip-hugging look or high for more waist coverage.

Product Specifications 

Shell: 80% Nylon, 20% Creora® HighClo™ Spandex
Lining: 88% Recycled Nylon, 12% Spandex

Available in sizes XXS - 4X 

SINGLE SIZE US NUMERIC SIZE WAIST HIPS BUST
XXS 00 23 - 24" 31 - 34" 30 - 31"
XS 0-2 24 - 26" 34 - 36.5" 31.5 - 33.5"
S 4-6 26.5 - 28.5" 37 - 39" 34 - 36"
M 8-10 29 - 31" 39.5 - 41.5" 36.5 - 38.5"
L 12-14 31.5 - 32.5" 42 - 44" 39 - 41"
XL 15 33 - 35" 44.5 - 46.5" 41.5 - 43.5"
XXL 16 35.5 - 37.5" 47 - 48" 44 - 45"
1X 14-16 38 - 39.5" 48 - 49" 45.5 - 47.5"
2X 18-20 40 - 41.5" 49.5 - 51" 48 - 50.5"
3X 22-24 42 - 45.5" 51.5 - 55" 51 - 53"
4X 26-28 46 - 49.5" 55.5 - 59" 53.5 - 55.5"
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