4.0
Rated 4.0 out of 5 stars
288 Reviews
Best Seller

Ultra Leakproof Zones+® Bikini

Max absorbency for heavy periods and light bladder leaks. Absorbs about 9 super tampons worth of liquid.
$36.00 CAD

Mix & Match: Buy 4+ Save 15%, 7+ Save 25%

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Made with soft, stretchy fabric that’s quick dry for your comfort
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Washes just like regular underwear

Our Absorbency Guide

Great forExtra-heavy period days, overnight protection, light bladder leaks
Absorbs~3.5-4.5 regular pads; ~7-9 super tampons; ~2-3 menstrual cups

Your leakproof questions, answered.

4.0
Rated 4.0 out of 5 stars
Based on 288 reviews
ComfortRated 4.1 on a scale of 1 to 5
EffectivenessRated 4.1 on a scale of 1 to 5
FitRated 0.0 on a scale of minus 2 to 2
Ease of UseRated 4.0 on a scale of 1 to 5
76%would recommend these products
288 reviews
  • JF
    Verified Buyer
    5 days ago
    Rated 5 out of 5 stars
    The best!

    I’ve needed back coverage for a few years now and finally I get it here!

    ComfortRated 5.0 on a scale of 1 to 5
    EffectivenessRated 5.0 on a scale of 1 to 5
    SizingRated 0.0 on a scale of minus 2 to 2
  • LAndrews
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Recommend!

    All of the things I had concerns about the last time I bought Knix period underwear have been addressed with these: the absorption panel goes all the way to the rear elastic band and the cut is pretty much the same as my regular underwear. I'm very happy with these.

    ComfortRated 5.0 on a scale of 1 to 5
    EffectivenessRated 5.0 on a scale of 1 to 5
    FitRated 0.0 on a scale of minus 2 to 2
    Ease of UseRated 5.0 on a scale of 1 to 5
  • Pascale M.
    Verified Buyer
    1 week ago
    Rated 5 out of 5 stars
    Period underware

    I love my new underware I would never go back to pads

    ComfortRated 5.0 on a scale of 1 to 5
    EffectivenessRated 5.0 on a scale of 1 to 5
    FitRated 0.0 on a scale of minus 2 to 2
    Ease of UseRated 5.0 on a scale of 1 to 5