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We spent years meticulously designing Proof period underwear to protect you from leaks with the highest quality materials, so no drop can stop you.
60 day leak free guarantee
FREE SHIPPING on all orders OVER $50
meticulously tested
With a pair for every flow, you’ll be able to find your Proof™-perfect fit.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Proof™ provides serious protection from bladder leaks, without added bulk.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Discrete protection with room to accommodate your growing bump.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Designed with new moms in mind, leak protection without the bulk.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Go ahead, break a sweat. Our moisture-wicking fabric also reduces odor.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Undercover protection for every day of the week.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Perfect for daily discharge, Proof™ keeps you fresh and dry.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
For in-between days, these undies keep you spotless all day long.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Holds up to 1 Light Tampon or Panty Liner
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Holds up to 1 Regular Tampon or 2 Teaspoons
Our Patented Leak-Loc™ technology keeps you leak-free learn more
panty liner replacement
sweat
discharge
spotting
light period leaks
odor reduction
Holds up to 3 Regular Tampons or 6 Teaspoons
Our Patented Leak-Loc™ technology keeps you leak-free learn more
moderate period leaks
sweat
light bladder leaks
replace or back up a tampon, pad, or cup
odor reduction
Holds up to 4 Regular Tampons or 8 Teaspoons
Our Patented Leak-Loc™ technology keeps you leak-free learn more
moderate bladder leaks
sweat
heavy period leaks
replace a pad
replace or back up a tampon or cup
odor reduction
Holds up to 5 Regular Tampons or 10 Teaspoons
Our Patented Leak-Loc™ technology keeps you leak-free learn more
moderate bladder leaks
sweat
heavy period leaks
replace a pad
replace or back up a tampon or cup
maximum overnight period protection
odor reduction
Your hip and waist measurements are the most important size when finding the perfect fit.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.
