5.0 / 5

The Thong

Regular price $25 Save $-25
/
Eliminate panty lines and light leaks

Holds
 1  Tampon or 2 Tsps
black
black
sand
sand
all
all
all
all
black
black
sand
sand
all
all
all
all
5.0 / 5

The Thong

Regular price $25 Save $-25
/
Eliminate panty lines and light leaks

AbsorbencyHolds 1 Regular Tampon or 2 Teaspoons
Runs Small True to Size Runs Large

QTY

Only 69 items in stock!

Unseen but powerful, our thongs work for your period and leaks…Hooray!

Our breathable, buttery soft microfiber in a low-rise silhouette lets you eliminate panty lines while having a backup for your leaks. Minimal coverage that still includes our multi-layer Leak-Loc™ system.

Regular Lining

The Thong features an invisible leakproof core in the gusset. You’ll be comfortable and protected with our soft and slim multi-layer core.

Great for

panty liner replacement

sweat

discharge

spotting

light period leaks

odor reduction

Outer: 75% Nylon 25% Spandex 

Lining: 100% Polyester 

Lining: 69% Cotton 25% Polyester 6% Acrylate

Protection
Regular Lining

The Thong features an invisible leakproof core in the gusset. You’ll be comfortable and protected with our soft and slim multi-layer core.

FAQs

See all FAQs

You got it, mama. The Thong is a pregnancy must-have: breathable fabric, protection from unexpected leaks (hellooooo, baby on your bladder!), and a low-rise silhouette to accommodate that growing bump.

Yes! The Thong offers light protection, so it's perfect for sweat, discharge, and other little leaks. The Thong is made of seamless, breathable fabric that will pair perfectly with your favorite leggings.

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.

Yes – our antimicrobial drop-stop lining pulls in moisture and controls odor-causing bacteria. Wear these with confidence!

How Proof Is Made

Proof’s patented Leak-Loc™ technology protects against all of life’s leaks, both big and small. Our undies hold up to 10 teaspoons (that’s 5 full tampons worth!) of liquid. Our manufacturing is OEKO-TEX certified, Prop 65 compliant, and each undie is successfully tested for harmful substances to be body safe.

Explore Our Technology

This is really (really) leakproof underwear

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