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 type of leaks is the Essential Brief undie best suited for?
There are 3 levels of absorbency offered in our washable Proof Essentials Briefs - The Leakproof Brief in Heavy absorbency is great for those who need that extra level of protection. Great for overnight period and leak protection. The classic brief cut provides a little extra coverage and best of all, the super slim absorbent lining is perfectly comfortable for everyday wear, these look and feel just like regular undies.
What is the difference between the Proof Essentials Brief and the Proof Brief?
Our Proof Essentials collection is made with a stretchy fabric giving you the size flexibility you need for THAT time of the month - hello comfort! The essential brief comes in 3 levels of absorbency up to heavy leak protection but without the full lining, making it 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 built-in 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.