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 Lisa G.
Verified Buyer
I recommend this product
Pant Size
8
Size Purchased
L
Usage
Period Back-Up
Rated 5 out of 5
Review posted

Great product!

Love these undies. Super comfy and offer just the protection I need.

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Comfort
Rated 4 out of 5
Effectiveness
Rated 5 out of 5
Sizing
Rated -2 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Was this helpful?
Reviewed by jenya p.
Verified Buyer
I recommend this product
Pant Size
6
Size Purchased
M
Usage
Primary Period Protection
Rated 5 out of 5
Review posted

Making me blush

Love the cheeky, let it stretch.

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Comfort
Rated 5 out of 5
Effectiveness
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
Was this helpful?
Reviewed by CG
Verified Buyer
I recommend this product
Pant Size
2
Size Purchased
S
Usage
Period Back-Up
Rated 5 out of 5
Review posted

Like these better than bikini!

The size small of this style are more what I would expect from size small compared to the bikini. The bikini I found much larger and stretched out, recommend the cheeky for smaller women.

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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
Was this helpful?
Reviewed by Mary L.
Verified Buyer
I recommend this product
Pant Size
>0
Size Purchased
S
Usage
Primary Period Protection
Rated 5 out of 5
Review posted

Good absorbtion

Good absorption, cute, and comfy

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Comfort
Rated 5 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
Was this helpful?
Reviewed by Sabrina M.
Verified Buyer
I recommend this product
Pant Size
6
Size Purchased
S
Usage
Primary Period Protection
Rated 5 out of 5
Review posted

The Best

Comfortable, light weight, no smell, like my period isn't even happening :)

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Comfort
Rated 5 out of 5
Effectiveness
Rated 5 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
Was this helpful?