Period Underwear By Leak Type

You're not alone, girlfriend -- we've all experienced life's little leaks. From extra hard sneezes to maternity or postpartum issues, or even some after-sex surprises, our patented collection of Proof undies cover a wide range of leak types. Covering leak volume ranging from 1/2 teaspoon up to 10 teaspoons of liquid, browse below to find the perfect fit for pretty much any leak!

Leak-resistant Everyday Undie
$25
Holds up to 1 Light Tampon or Panty Liner

Invisible protection for life's little leaks


Leakproof Thong
$25
Holds up to 1 Regular Tampon or 2 Teaspoons

Eliminate panty lines and light leaks


Leakproof Brief
$35
Holds up to 3 Regular Tampons or 6 Teaspoons

A classic silhouette with discreet leak protection


Leakproof Lace Cheeky
$37
Holds up to 3 Regular Tampons or 6 Teaspoons

Cheeky style with built-in leak protection


Leakproof Mesh Hipster
$39
Holds up to 4 Regular Tampons or 8 Teaspoons

Super absorbent and powerful leak protection


Leakproof Hipster
$43
Holds up to 5 Regular Tampons or 10 Teaspoons

The ultimate in leak protection


Leak-resistant High Waisted Smoothing Brief
$29
Holds up to 1 Light Tampon or Panty Liner

A leak-resistant undie that smooths and soothes with light compression in all the right places.


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Heating Patches for Menstrual Cramps
$12

Nothing should cramp your style.