
really (really)
leak proof®

Super Absorbent

fights odor

Breathable
and comfy
New Products





Holds up to 1 Light Tampon or Panty Liner





Holds up to 3 Regular Tampons or 6 Teaspoons





Holds up to 3 Regular Tampons or 6 Teaspoons





Holds up to 3 Regular Tampons or 6 Teaspoons
"The Best Period Underwear, According to Women Who Wear Them"
"The super absorbent fabric is the best thing to have on without having to worry about toxic shock syndrome or multiple trips to the bathroom."
"Go about your day in comfort even on the heaviest days of your period. This pair sits high on the hips so it won't roll down, features breathable mesh sides that add a little style factor, plus offers complete leakproof protection!" (The Mesh Hipster)
"The most absorbent period panty on the market."
Go with your flow

See the Proof
Patented Leak-Loc® technology locks in leaks, so you can live life without worrying.

Don't take it from us
Read reviews from Proof users
Best Sellers
the only triple patented period underwear





Holds up to 4 Regular Tampons or 8 Teaspoons





Holds up to 1 Regular Tampon or 2 Teaspoons





Holds up to 3 Regular Tampons or 6 Teaspoons





Holds up to 3 Regular Tampons or 6 Teaspoons





Holds up to 4 Regular Tampons or 8 Teaspoons





Holds up to 5 Regular Tampons or 10 Teaspoons







Holds up to 3 Regular Tampons or 6 Teaspoons

Above and beyond period underwear
What pairs perfectly with your period (besides chocolate), Proof single use heating patches made for menstrual cramps. Because nothing should cramp your style.
Finally, a bra made for boob sweat!
Introducing the first of its kind Stay Dry Comfort Bra.
