Leakproof Cheeky

This comfortable, machine-washable cheeky underwear features patented leakproof technology that absorbs up to 3 tsp of liquid – perfect as backup protection during your cycle’s heavier days, on its own for lighter ones, or for helping you deal with light bladder leaks.

Please note: All underwear are final sale.

Leakproof Essentials

We've harnessed cutting-edge textile technology to give you that extra confidence and comfort you deserve.
Patented Leakproof Tech
Super-absorbent, moisture-wicking, odor-killing, and quick-drying to keep you feeling fresh no matter what.
Conforms to Your Body
Adaptive 4-way stretch material that also relaxes with wash and wear for a perfect fit.
Makes Less Waste
Works great used on its own during light flow days or paired with tampons or menstrual cups during heavier periods.

Knix Leakproof Period Underwear FAQs

Super Leakproof Technology
average rating 4.6 out of 5
Based on 397 reviews
  • 5 Stars
    298 Reviews
  • 4 Stars
    70 Reviews
  • 3 Stars
    16 Reviews
  • 2 Stars
    9 Reviews
  • 1 Star
    4 Reviews
96% of reviewers would recommend this product to a friend
Comfort
Rated 4 out of 5
Effectiveness
Rated 4 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
397 Reviews
Reviewed by J.W.
Verified Buyer
I recommend this product
Pant Size
12
Purchased Size
Larger
Use
Period Backup Protection
Rated 4 out of 5
Review posted

Cheeky!

5'8" 185 athletic- Ordered size L based on the chart.

I am a fan! I love these as back up and for use at night.

Being said- I definitely feel a little tight through the thigh- I'm thick- I power lift and I have* legs*. I could have probably stood to size up on this particular cut. I just measured that circumference on my own leg where these hit and it's 29" and it was snug- hoping with a few wears the elastic relaxes a little so they are more comfortable for say- BED TIME. Hopefully this helps all you thick folks out there!

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Comfort
Rated 4 out of 5
Sizing
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Absorbancy
Rated 4 out of 5
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Reviewed by Erica R.
Verified Buyer
I recommend this product
Pant Size
4
Purchased Size
Small
Use
Bladder Leaks
Rated 5 out of 5
Review posted

My new go to!

I can't say enough good things, they are so light and comfortable. The best part is these do exactly what they say. 🤩

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Comfort
Rated 5 out of 5
Sizing
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Absorbancy
Rated 4 out of 5
Was this helpful?