Size guide

Our protection should fit snugly: that’s what guarantees leakproof protection. Take your measurements once, then refer to the size chart for the product family you’re interested in.

Menstrual panties Briefs, boy shorts, boxer briefs, thongs. Women and teens. Swimwear One-piece swimsuits, swim briefs, and swim shorts. Women and teens.

How to take your measurements

  1. WaistAt the narrowest part of the torso, above the navel.
  2. Hip measurementAt the fullest part, keeping the tape measure perfectly horizontal.
  3. Between two sizes?Choose the larger size. The microfiber stretches slightly after the first wash.

Menstrual panties

Briefs, boyshorts, boxer briefs, and thongs, in both microfiber and cotton. Women’s and teen sizes appear in the same chart: a teen can absolutely wear XS.

SizeClothing sizeWaistHips
Women
XS3456-62 cm84-88 cm
S3662-68 cm88-92 cm
M3868-74 cm92-96 cm
L4074-80 cm96-100 cm
XL4280-86 cm100-104 cm
XXL4486-92 cm104-108 cm
3XL4492-98 cm108-112 cm
4XL4698-104 cm112-116 cm
5XL48104-110 cm116-120 cm
Teens
10/12 years142-150 cm58-64 cm76-82 cm
12/14 years150-158 cm64-70 cm82-86 cm
14/16 years158-166 cm70-76 cm86-90 cm

Swipe the table to see every measurement

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Swimwear

For swimwear, one measurement isn’t enough: the right size depends on the combination of your waist and hip measurements. Find your row on the left and your column at the top; the corresponding cell shows your size.

One-piece swimsuit, adjustable straps

One-piece swimsuit, adjustable straps

Thanks to the adjustable straps, these styles fit different body types.

Affected models: Nereids, Clio

Waist circumference Hip circumference 84 - 8687 - 8889 - 9091 - 9293 - 9495 - 9697 - 9899 - 100101 - 102103 - 104105 - 106107 - 108109 - 111
56 - 59 XS XS XS
60 - 62 XS XS XS S
63 - 65 XS XS S S S
66 - 68 S S S M
69 - 71 S S M M M
72 - 74 M M M L
75 - 77 M M L L L
78 - 80 L L L XL
81 - 83 L L XL XL XL
84 - 86 XL XL XL XXL
87 - 89 XL XL XXL XXL XXL
90 - 92 XXL XXL XXL
93 - 95 XXL XXL

Match your waist measurement (on the left) with your hip measurement (at the top)

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One-piece swimsuit, non-adjustable straps

One-piece swimsuit, non-adjustable straps

Since it cannot be adjusted, torso height matters: the recommended maximum height is indicated in the box.

Affected models: Naiads, Ourania

Waist circumference Hip circumference 84 - 8687 - 8889 - 9091 - 9293 - 9495 - 9697 - 9899 - 100101 - 102103 - 104105 - 106107 - 108109 - 111
56 - 59 XS XS XS
60 - 62 XS XSMax. 1.74m XS S
63 - 65 XS XS S S S
66 - 68 S SMax. 1.74m S M
69 - 71 S S M M M
72 - 74 M MMax. 1.74m M L
75 - 77 M M L L L
78 - 80 L LMax. 1.74m L XL
81 - 83 L L XL XL XL
84 - 86 XL XLMax. 1.74m XL XXL
87 - 89 XL XL XXL XXL XXL
90 - 92 XXL XXLMax. 1.74m XXL
93 - 95 XXL XXL

Match your waist measurement (on the left) with your hip measurement (at the top)

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Swim briefs and boyshorts for women

Swim briefs and boyshorts for women

They should fit snugly around the waist and thighs.

Affected models: Oceanids, Heliads, Ligeia, Cyrene

Waist circumference Hip circumference 84 - 8687 - 8889 - 9091 - 9293 - 9495 - 9697 - 9899 - 100101 - 102103 - 104105 - 106107 - 108109 - 111
56 - 59 XS XS XS
60 - 62 XS XS XS S
63 - 65 XS XS S S S
66 - 68 S S S M
69 - 71 S S M M M
72 - 74 M M M L
75 - 77 M M L L L
78 - 80 L L L XL
81 - 83 L L XL XL XL
84 - 86 XL XL XL XXL
87 - 89 XL XL XXL XXL XXL
90 - 92 XXL XXL XXL
93 - 95 XXL XXL

Match your waist measurement (on the left) with your hip measurement (at the top)

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Teen one-piece swimsuit

Teen one-piece swimsuit

Size is determined by age range. Some body types already fall into women's sizes, so both scales are shown in the chart.

Affected models: Brizo, Urania

Waist circumference Hip circumference 76 - 7778 - 7980 - 8283 - 8485 - 8687 - 8889 - 9091 - 92
58 - 60 11/12 ans 11/12 ans 11/12 ans 11/12 ans XS XS XS
61 - 64 11/12 ans 11/12 ans 11/12 ans 11/12 ans XS XSMax. 1.74 m XS S
65 - 67 11/12 ans 11/12 ansMax. 1.50 m 11/12 ans 13/14 ans 13/14 ans 13/14 ans S S
68 - 70 13/14 ans 13/14 ans 13/14 ans S SMax. 1.74 m
71 - 73 13/14 ans 13/14 ansMax. 1.58 m 15/16 ans 15/16 ans 15/16 ans
74 - 76 15/16 ans 15/16 ans 15/16 ans
77 - 79 15/16 ans 15/16 ansMax. 1.66 m 15/16 ans

Match your waist measurement (on the left) with your hip measurement (at the top)

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Teen swim briefs

Teen swim briefs

As with the teen swimwear, age-based sizes and women’s sizes are listed together.

Affected models: Hydriads, Heliads, Leucosia, Cyane

Waist circumference Hip circumference 76 - 7778 - 7980 - 8283 - 8485 - 8687 - 8889 - 9091 - 92
58 - 60 11/12 ans 11/12 ans 11/12 ans 11/12 ansXSXSXS
61 - 64 11/12 ans 11/12 ans 11/12 ans 11/12 ansXSXSXSS
65 - 67 11/12 ans 11/12 ans 11/12 ans 13/14 ans 13/14 ans 13/14 ansSS
68 - 70 13/14 ans 13/14 ans 13/14 ansSS
71 - 73 13/14 ans 13/14 ans 15/16 ans 15/16 ans 15/16 ans
74 - 76 15/16 ans 15/16 ans 15/16 ans
77 - 79 15/16 ans 15/16 ans 15/16 ans

Match your waist measurement (on the left) with your hip measurement (at the top)

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Unsure about your size?

Unsure, have a unique body shape, or torn between two sizes? Write to us—we’ll reply quickly.

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