Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
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What types of leaks is the Essential Brief undie best suited for?
The Leak-Resistant Brief in super light absorbency is great for those who love a brief cut but need a little extra protection. Our period underwear helps you feel dry and confident, covering light spotting, sweat, discharge. Perfect for everyday wear.
What is the difference between the Proof Essentials Brief and Proof Brief?
Our Proof Essentials collection is made with stretchy fabric giving you the size flexibility you need for THAT time of the month - hello comfort! The Essential Brief is the perfect go-to style for everyday wear! For more guidance, check out our absorbency chart and size guide.
Is Proof Essentials period underwear machine washable?
Yes! All Proof Essentials undies are reusable underwear and offer strong protection, but should be washed gently. Machine wash on gentle using cold water and gentle detergent, hang or lay flat to dry.
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
Our Patented Leak-Loc® technology helps lock in leaks
learn more
sizing guide
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.