Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Is Proof Essentials period underwear machine washable?
Yes! All Proof Essentials undies are washable 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.
What types of leaks is the Essential Brief Super Light 3-Pack best suited for?
This 3-pack is perfect for those light period days. Our Essential Briefs are made with leak-resistant light absorbency technology that hold up to 1 light tampon. Everyday wear and comfort, check! (Especially if you don’t know when your period is going to arrive). The multi-layer moisture-wicking lining makes this style perfect for light spotting.
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.