Measure around your body as shown.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Are Proof undies machine washable?
Yes! All Proof undies offer strong protection, but should be washed gently. Machine wash on gentle using cold water and gentle detergent, and hang or lay flat to dry. Check out our Wash & Care Instructions page for more information.
Do Proof undies work for a maternity body?
Yes, they work for all mamas! Proof underwear is a pregnancy must-have: breathable fabric, protection from unexpected leaks, and a low-rise silhouette to accommodate a growing bump.
What is Leak-Loc™ technology?
Our exclusive Leak-Loc™ technology is a patented system that incorporates breathable leakproof materials to prevent leaking and absorbent technical inner layers to absorb liquid and wick it away to keep things fresh and dry.
How do these control moisture?
Our specially designed Quik-Wick™ lining draws moisture away from the body and helps keep things feeling dry, all day or night.
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.