Period Proof Underwear • bikini brief

No wetness, no leaks, no worries. This underwear easily soaks up 3 medium tampons worth of blood, so you can wear them on their own, or team them with a tampon or cup on very heavy days – whichever combination works for your flow.

+ Product details

  • Style: Bikini brief.
  • Easily holds up 3 medium tampons worth of blood.
  • Ultra-thin absorbent layer.
  • Comfortable & leak free.
  • We recommend you to wash before wear.
  • Rinse, wash at max. 40 degrees and air dry only. After washing the absorbent layer can take a day or two to air dry. We recommend having a few pairs to wear thoughout your period week.
  • Co-created exclusively for Yoni by the women of Runes Movement.
  • Ethically produced in Portugal.

Read more about Period Proof Underwear

 

+ Materials

Underwear

Made from soft, stretchy cotton (96% certified organic cotton, 4% elastane) with an elastic waistband.

Absorbent layer

The ultra-thin absorbent layer is made from microfelt followed by a leak-proof layer made from recycled polyamide.
.

Clear

39.75

Comfortable

Made from certified organic cotton with an ultra-thin absorbent layer.

Highly absorbent

Absorbent layer made with a technology exclusively designed for Yoni.

Sustainable

Wear, wash & wear again.

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Frequently Asked Questions

  • How do Yoni Period Proof Underwear work? + -

    Yoni PPU is reusable and is made to absorb your period. It can totally replace the need for disposable products like liners, pads and tampons or can be used as back up. Every pair is made with material that’s moisture-wicking, super-absorbent and leak-resistant. This means they keep you fresh and dry, and are ultra thin for ultimate comfort. Take a look at our Period Proof Underwear page to learn more.

  • What makes Yoni Period Proof Underwear special in comparision to other period underwear? + -

    A lot of period underwear are bulky, especially in the gusset (the crotch area). You might feel like you’re wearing a thick pad or not want to wear your shorter shorts. Yoni underwear is very thin and super-absorbent. This makes them super comfortable and flexible, allowing you to forget your wearing special underwear during your period.

  • How much blood will my Yoni Period Proof Underwear absorb? + -

    Our Yoni Underwear absorbs 30ml of liquid. That’s approximately as much as 3 medium/ normal tampons’ worth of fluid.

  • Can I use fabric softener when I wash my Period Proof Underwear? + -

    No, we strongly recommend to not use fabric softener cause it will affect the functioning of the superabsorbent layer inside the underwear.

  • Can Yoni Period Proof Underwear replace my current routine e.g. my use of tampons, pads and liners? + -

    Depending on your flow Yoni Period Proof Underwear can replace tampons, pads, liners and cups or be worn with tampons and cups for extra protection. Our current underwear absorbs 30ml of liquid, which is approximately as much as 3 normal tampons’ or pads’ worth of fluid.

  • How long will my underwear last? + -

    Our PPU can last for approximately 2 years or even longer. However, this depends on the wash and care. As underwear is considered a delicate product, we strongly recommend to follow our care instructions How do I care for my Yoni PPU? to ensure you get the most wear out of your underwear.

  • How do I care for my Yoni underwear? + -

    Treat Yoni PPU like any other delicate garmet you love! When washed with care, your Period Proof Underwear will maintain their super-absorbent functionality for approximately 2 years or even longer.

    Step 1. Rinse in cold water after use to remove any excess flow.

    Step 2. Throw your underwear in with your regular dark wash and wash at a max. of 40 degrees. Using a delicate bag can protect your underwear from things like zippers!

    Step 3. Air dry only. Do not use a dryer and note that it may take a couple of days to completely dry the super-absorbent layer. 

    Step 4. Reuse and Repeat!

  • Will my Yoni Period Proof Underwear smell? + -

    No, if you follow our care instructions, your Yoni underwear shouldn’t smell. However, if you feel they need a little bit of extra love or they might be smelling a bit musty if stored before fully dry, try soaking in vinegar. Put 1 cup of vinegar in a clean sink or bowl and add in 2 cups of water. Let your underwear soak for 15 to 30 minutes. Then toss them in the washing machine as usual. 

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