Size Chart - Australia

Size Chart

For more detailed sizing and measuring help, visit click here.

Size

Aus Dress Size

Waist Circumference
(cm)

Hip Circumference
(cm)

XS

4

61 - 66

84 – 91

S

6-8

66 – 74

94 – 99

M

10-12

76 – 81

99 – 104

L

14-16

81 – 89

105 – 115

XL

16-18

90 – 99

116 – 122

XXL

18-20

99 – 109

123 – 129

XXXL

22-24

109 – 145

130 – 140

Check out our bestsellers

All flows (even heavy)
Classic Period Brief - Fri Period
Person wearing black high-waisted underwear with text highlighting features on a light gray background
Classic Period Brief
$29.00
Moderate-heavy flow
Period Boxers - Fri Period
Period Boxers - Fri Period
Period Boxers
$34.00
Light-moderate flow
Period Hipsters - Fri Period
Period Hipsters - Fri Period
Period Hipsters
$27.00

Read our blog

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How Customer Feedback Shaped Our New Period Boxer Briefs
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Introducing the New Fri Period Boxer Briefs: Now With an Improved Waistband
Period Underwear for Heavy Flow: How to Choose the Right Pair - Fri Period
Period Underwear for Heavy Flow: How to Choose the Right Pair