Super Leakproof Bikini

Introducing the most absorbent period underwear ever - up to 8 tampons worth! Switch from relying on disposable products to wearing incredibly comfortable and machine-washable bikini underwear that will protect you every day of your cycle!

Please note: All underwear are final sale

Super Leakproof Benefits

Super Protection
Our state-of-the-art fabric can absorb up to 8 tsp of liquid and stop it from leaking through.
Conforms to Your Body
Adaptive 4-way stretch material that also relaxes with wash and wear for a perfect fit.
Makes Less Waste
Total protection on your heaviest days so you don't have to rely on disposables anymore!

Knix Leakproof Period Underwear FAQs

Super Leakproof Technology
average rating 4.8 out of 5
Based on 121 reviews
  • 5 Stars
    101 Reviews
  • 4 Stars
    15 Reviews
  • 3 Stars
    3 Reviews
  • 2 Stars
    1 Review
  • 1 Star
    1 Review
98% 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
121 Reviews
Reviewed by Kayla L.
I recommend this product
Pant Size
22+
Size Purchased
XXXL
Usage
Primary Period Protection
Rated 5 out of 5
Review posted

Heavy day with no leaks!

It’s definitely one of the best products I’ve tried. I wore it on the first couple days of my period which are the heaviest and I was impressed that it didn’t leak.

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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
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Reviewed by Kim H.
I recommend this product
Pant Size
14
Size Purchased
L
Usage
Primary Period Protection
Rated 5 out of 5
Review posted

Say Goodbye to Pads!

These underwear are brilliant. The pad is soft enough for your most sensitive parts, and it wicks away moisture and absorbs liquid like I couldn’t believe! Say goodbye to crinkly, bulky disposable pads that feel like you're sitting in a wet bathing suit all day.

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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?