Find Your Fit
Fri Period underwear is designed to fit and flatter all body types and sizes.
Our size chart will help you choose which Fri Period size is for you. Read our sizing notes below to help you find the best fit.
If in doubt, we recommend sizing up.
Size Chart - USA 🇺🇸
US Dress Size
Waist circumference (inches)
Hips circumference (inches)
XS
0
24-26
33-36
S
2-4
26-29
37-39
M
6-8
30-32
39-41
L
10-12
32-35
42-45
XL
12
36-69
46-48
2XL
14-16
39-43
48-51
3XL
18-20
43-50
51-55
4XL
20-22
50-55
55-60
Size Chart - Australia 🇦🇺
Aus Dress Size
Waist circumference (inches)
Hips circumference (inches)
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
90 – 99
116 – 122
2XL
18-20
99 – 109
123 – 129
3XL
22-24
109 – 120
130 – 140
4XL
24-26
120-130
140-145
Where do I measure?
- Your hip measurement is the circumference of the widest part of your hips.
- Your waist measurement is the circumference around your waist (where your belly button sits).
Size up for hipsters
Due to the cut of our low-rise hipsters, we find most people have to size up for this shape. For example, if you're buying the classic briefs in size Medium, we recommend choosing Large for the low-rise hipsters.
What if my hip and waist measurements don't match the same size?
If you find your waist and your hip measurements fall in different categories in the chart above, then we would recommend choosing the size that best aligns with your hips first. This is more likely to provide the best fit for you.
What if I choose the wrong size?
We know it can be hard to get sizing 100% right when ordering online. If you're happy with your products but the sizing isn't quite right, email us at hello@friperiod.com.au with your order number and details, and we'll send the right size out to you at our cost.
Please note this is available only to first time customers and for one order.
More sizing questions?
If you have questions about finding the right fit that we have't been able to answer here, please email us at hello@friperiod.com.
If you can't find your size, please click here to let us know.
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