Regular price

Essentials Thong

Regular price Sale price $18 USD

Buy 4+ and save 20%

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Regular price

Essentials Thong

Regular price Sale price $18 USD

Buy 4+ and save 20%

super-light Absorbency holds up to 1 light tampon

Color Black
HSA/FSA Approved

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60 Day Money-Back Guarantee


Unseen but powerful, our Essentials Leak-Resistant Period Thong works wonders for your period, leaks, or simply as an everyday go-to pair. Cut from breathable and soft fabric in a mid-rise silhouette, it smooths the look of panty lines while providing leak-resistant protection. Add this thong to your period regimen as an alternative to a panty liner, or simply wear whenever you like.


Absorbs light spotting, sweat, and discharge

Features minimal coverage that's invisible under clothing

Holds up to 1 light tampon

Washer friendly, hang to dry


Outer: 75% Nylon 25% Spandex
Top Lining: 100% Polyester
Inner Lining: 70% Polyester 30% Cotton
Bottom lining:100% Polyester

Care Instructions:
Reusable & machine washable: When you're done wearing, simply wash with cold water and gentle detergent, then hang or lay flat to dry


Absorbent Zone; Regular
Center lining protection with absorbent multi-layer core
Leak-Loc® bonded edge technology

  • moisture-wicking top layer
  • absorbent core
  • waterproof liner
  • water-resistant outer fabric
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What types of leaks is the Proof Essential Thong undie best suited for?

The Proof Essential Thong is equipped with leak-resistant light absorbency that holds up to 1 light tampon making it perfect for everyday wear and comfort - especially if you don’t know when your period is going to arrive! The multi-layer moisture wicking lining in our period underwear helps you feel dry and confident.

What is the difference between the Proof Essential Thong and Proof Thong?

Our Proof Essentials collection is made with stretchy fabric giving you the size flexibility and confidence you need for THAT time of the month - hello comfort! The Essential Thong holds up to 1 light tampon, whereas our Proof Thong is leakproof holding up to 1 regular tampon. For more guidance, check out our absorbency chart and size guide.

How comfortable is the Proof Essential Leak-Resistant Thong?

These undies feel like your favorite underwear, only with leak-resistant protection. The smooth and soft fabric will make these an everyday go-to with slim lining for that little extra protection you won’t even know is there. With no show panty lines, our barely there thong keeps your jeans or yoga pants ready no matter what time of the month. Whether you’re dealing with spotting or sweat, you’ve got plenty of back up with this thong!

Is Proof Essentials period underwear machine washable?

Yes! All Proof Essentials undies are reusable underwear and offer built-in protection, but should be washed gently. Machine wash on gentle using cold water and gentle detergent, hang or lay flat to dry.