FIT IS IMPORTANT TO US

At A’kini Swimwear, inclusivity is at the heart of everything we do — including our size chart. Every body is beautiful, and our goal is to help you find your perfect fit.

Our sizes range from XS to XXL, designed to flatter a wide range of body types, from petite to curvy, tall to short.

Most of our pieces feature adjustable ties and straps, so you can customize your fit exactly how you like it. With detailed measurements and guidance, we make shopping for swimwear easy, comfortable, and confidence-boosting.

A'KINI SIZE BUST (IN) UNDER BUST (IN)
XS 30 - 32 25 - 27
S 32 - 34 27 - 29
M 34 - 36 29 - 31
L 36 - 38 31 - 33
XL 38 - 40 33 - 35
XXL 40 - 42 35 - 37
A'KINI SIZE WAIST (IN) HIP (IN) US DRESS SIZE
XS 23 - 25 33 - 35 0 - 2
S 25 - 27 35 - 37 4 - 6
M 27 - 29 37 - 39 6 - 8
L 29 - 31 39 - 41 8 - 10
XL 31 - 33 41 - 43 10 - 12
XXL 33 - 35 43 - 45 12 - 14
A'KINI SIZE BUST (IN) UNDER BUST (IN) WAIST (IN) HIP (IN)
XS 30 - 32 25 - 27 23 - 25 33 - 35
S 32 - 34 27 - 29 25 - 27 35 - 37
M 34 - 36 29 - 31 27 - 29 37 - 39
L 36 - 38 31 - 33 29 - 31 39 - 41
XL 38 - 40 33 - 35 31 - 33 41 - 43
XXL 40 - 42 35 - 37 33 - 35 43 - 45
A'KINI SIZE BUST (IN) UNDER BUST (IN) WAIST (IN) HIP (IN)
XS 30 - 32 25 - 27 23 - 25 33 - 35
S 32 - 34 27 - 29 25 - 27 35 - 37
M 34 - 36 29 - 31 27 - 29 37 - 39
L 36 - 38 31 - 33 29 - 31 39 - 41
XL 38 - 40 33 - 35 31 - 33 41 - 43
XXL 40 - 42 35 - 37 33 - 35 43 - 45

Top Sizing (Without Underwire)

Our unstructured tops are designed with adjustability in mind—allowing you to customize both fit and coverage to your preference. Because of this, sizing is not limited to a single cup, but rather a range.

As a general guide:

  • XS–S: best suited for AA–C cups
  • M: best suited for B–D cups
  • L: best suited for C–E cups
  • XL–XXL: best suited for D–F cups

Fit may vary depending on how you prefer your coverage. For less coverage, size down. For more coverage or support, size up.


Structured Styled Tops & One-Piece Sizing

Styles with more structure and less adjustability—such as underwire or fixed panel designs—fit closer to traditional sizing.

As a general guide:

  • XS: best suited for AA-A cups
  • S: best suited for A-B cups
  • M: best suited for B-C cups
  • L: best suited for C-D cups
  • XL: best suited for D–E cups
  • XXL: best suited for D-F+ cups

If you are between sizes or have a fuller bust, we recommend sizing up for the most comfortable fit.