All measurements in inches · When between sizes, see our recommendation below
How to measure: Wrap a soft tape around the fullest part of your bust, parallel to the floor. For underwire sizing, enter your bra band and cup together — both are needed.
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Soft bikini tops — measurement guide
XS(00/0)
S(2/4)
M(6/8)
L(10/12)
XL(14/16)
2XL(18/20)
3XL(22/24)
Bust
30–33"
33–36"
36–39"
39–42"
42–45"
45–48"
48–51"
Underwire tops — Olivia bra size conversion
Band / Cup
AA
A
B
C
D
DD
DDD
G
Underwire tops — Emma & Ruby bra size conversion
Band / Cup
AA
A
B
C
D
DD
DDD
G
— indicates this bra size is outside the fit range for that style.
Waist: measure around the narrowest part of your natural waist. Hip: around the fullest part, about 7–9" below your waist. You can enter one or both.
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Swim bottoms — measurement guide
XS(00/0)
S(2/4)
M(6/8)
L(10/12)
XL(14/16)
2XL(18/20)
3XL(22/24)
Waist
25–28"
28–31"
31–34"
34–37"
37–40"
40–43"
43–46"
Hip
35–38"
38–41"
41–44"
44–47"
47–50"
50–53"
53–56"
Bust = fullest part of chest. Waist = narrowest point. Hip = fullest part. Height = barefoot. Enter as many as you have.
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One-piece — measurement guide
XS(00/0)
S(2/4)
M(6/8)
L(10/12)
XL(14/16)
2XL(18/20)
3XL(22/24)
Bust
30–33"
33–36"
36–39"
39–42"
42–45"
45–48"
48–51"
Waist
25–28"
28–31"
31–34"
34–37"
37–40"
40–43"
43–46"
Hip
35–38"
38–41"
41–44"
44–47"
47–50"
50–53"
53–56"
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Two looks, one seriously supportive bikini top. Massi reverses from a retro-inspired red-and-white tile print to solid white, giving you two ways to wear it. Adjustable shoulder straps, a center halter tie, and two sets of back ties let you personalize the fit around your bust and underbust. Multilayered fabric provides coverage without padding, including on the white side.
