No. Sizing up does not add absorbency, and a pair that is too loose can leak. For heavy flow, look for a style with higher absorbency in your correct size.
What size period panty should you actually buy?
Choose a period panty by measuring around the widest part of your hips and matching it to the size range for that specific product, not by your jeans or regular underwear size. PeeSafe’s reusable period panties come in Medium (90 to 97 cm), Large (98 to 104 cm) and Extra Large (105 to 112 cm), and its disposable pairs come in S-M, M-L, L-XL and XL-XXL. If you fall between two sizes, the larger one usually keeps the gusset flat and comfortable.
Quick facts
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Measure the widest part of your hips, standing, with a soft tape held level
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Match the number to the product’s own chart, since sizes differ between brands
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Fit matters more than size labels: the gusset must lie flat and stay centred
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Disposable pairs are sold in two-size stretch ranges, such as M-L
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Sizing up does not add absorbency. Absorbency depends on the style, not the size
PeeSafe size ranges
Reusable period panties
|
Size |
Printed range |
|---|---|
|
Medium |
90 to 97 cm |
|
Large |
98 to 104 cm |
|
Extra Large |
105 to 112 cm |
Disposable period panties: S-M, M-L, L-XL and XL-XXL, each covering a range of two adjacent sizes. Check the individual product page for the pack you are buying.
How to measure
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Stand with your feet together, wearing thin clothing.
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Wrap a soft measuring tape around the fullest part of your hips and buttocks.
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Keep the tape level all the way round, snug but not tight.
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Note the number in centimetres and find the size range that includes it.
If you measure on the boundary between two sizes, choose the larger one for comfort. Remeasure if your weight changes significantly.
How to check the fit
A correctly sized pair has a gusset that lies flat and centred, a waistband that does not dig in, and leg openings that sit snug without leaving marks or gaps. A pair that is too small pulls the gusset out of position and can leak at the sides. A pair that is too large bunches, which also lets fluid escape. Once you have the right size, how to wear and use period panties covers day-to-day use. Ready to choose? Browse the period panty collection and match your measurement to each product’s size list.
Related reading from the PeeSafe blog
FAQ's
Should I size up if I have a heavy flow?
Is my period panty size the same as my regular underwear size?
Not necessarily. Sizes differ between brands and cuts, so measure your hips and use the chart for the specific product.
What if I am between two sizes?
Choose the larger size. A slightly roomier pair keeps the gusset flat and comfortable, while a pair that is too tight pulls it out of position.