Lightest Absorbency

Lightest periods, spotting, sweat & discharge - absorbs about 0.5-1 regular tampon worth.

Light Leakproof No-Show Thong

$23.00 CAD

Save up to 25%

+11
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Light Leakproof No-Show Bikini

$25.00 CAD

Save up to 25%

+19
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Light Leakproof No-Show High Rise

$29.00 CAD

Save up to 25%

+14
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Light Leakproof No-Show Boyshort

$25.00 CAD

Save up to 25%

+18
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Light Absorbency

Light periods, backup protection & sweat - absorbs about 1-3 regular tampons’ worth.

Medium Absorbency

Medium periods, light bladder leaks & sweat - absorbs about 2-3 super tampons’ worth.

Leakproof No-Show Thong

$30.00 CAD

Save up to 25%

+10
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Leakproof UltraThin No-Show French Cut

$30.00 CAD

Save up to 25%

+7
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Leakproof UltraThin No-Show Bikini

$28.00 CAD

Save up to 25%

+7
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Leakproof Cotton Bikini

$25.00 CAD

Save up to 25%

+1
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Leakproof Cotton High Rise

$29.00 CAD

Save up to 25%

+1
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Leakproof Cotton Boybrief

$40.00 CAD

Save up to 25%

+1
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Heavy Absorbency

Heavy periods, overnight protection & light bladder leaks - absorbs about 3-6 super tampons’ worth.

Super Leakproof® No-Show French Cut

$34.00 CAD

Save up to 25%

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Super Leakproof® No-Show Boyshort

$32.00 CAD

Save up to 25%

+4
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Super Leakproof® Dream Short

$48.00 CAD

Save up to 25%

+3
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Ultra Absorbency

Extra heavy periods, overnight protection & light bladder leaks - absorbs about 7-9 super tampons’ worth.

Ultra Leakproof Zones+ High Rise

$39.00 CAD

Save up to 25%

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Ultra Leakproof Zones+ Bikini

$36.00 CAD

Save up to 25%

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Zero Absorbency

Everyday wear with no leakproof protection - zero absorbency.

Essential No-Show Thong

$18.00 CAD

Save up to 25%

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Essential No-Show High Rise Thong

$23.00 CAD

Save up to 25%

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Essential Lace Thong

$9.00 CAD
$18.00

50% off

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Essential No-Show Cheeky

$20.00 CAD
+4
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Essential No-Show Bikini

$20.00 CAD

Save up to 25%

+2
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Micro Modal Essential Bikini

$10.00 CAD
$20.00

50% off

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Essential Lace High Rise

$17.50 CAD
$25.00

30% off

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Essential No-Show Boyshort

$20.00 CAD

Save up to 25%

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Essential Lace Boyshort

$14.00 CAD
$20.00

30% off

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Essential Lace Bikini 3-Pack

$30.00 CAD
$60.00

50% off

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Essential Lace Bikini 3-Pack

$30.00 CAD
$60.00

50% off

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Thigh Saver® 6”

$39.00 CAD

Buy 3 Save 15%

+3
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Lace Thigh Saver® 6"

$39.00 CAD

Buy 3 Save 15%

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Shortie Thigh Saver® 4”

$39.00 CAD

Buy 3 Save 15%

+2
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Shaper High Rise Briefs

$58.00 CAD

Save up to 25%

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Reusable Pads

NEW Reusable Pads! Leak-free protection designed with a comfortable barely-there feel. Super-thin, and easy-to-wash Leakproof pad that you can wear and rewear. Now available in super-absorbent Regular and Overnight styles for confident protection 24/7.

Teen Period Underwear

Moisture-wicking, odor-crushing, life-changing leakproof undies.

Teen Light Leakproof No-Show Bikini

$22.00 CAD

Save up to 25%

+6
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Teen Light Leakproof No-Show Boyshort

$22.00 CAD

Save up to 25%

+3
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Teen Super Leakproof® No-Show Bikini

$29.00 CAD

Save up to 25%

+6
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Teen Super Leakproof® No-Show Boyshort

$29.00 CAD

Save up to 25%

+2
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Teen Super Leakproof® No-Show High Rise

$32.00 CAD

Save up to 25%

+1
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Teen Super Leakproof® Sleepover Short

$45.00 CAD

Save up to 25%

+1
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Teen Light Leakproof No-Show Bikini 3-Pack

$59.00 CAD
$66.00

Save 10%

+2
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Teen Light Leakproof No-Show Boyshort 3-Pack

$59.00 CAD
$66.00

Save 10%

+1
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Teen Leakproof UltraThin No-Show Bikini 3-Pack

$67.00 CAD
$75.00

Save 10%

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Teen Leakproof UltraThin No-Show Boyshort 3-Pack

$67.00 CAD
$75.00

Save 10%

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Teen Super Leakproof® No-Show Bikini 3-Pack

$77.00 CAD
$87.00

Save 10%

+1
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Teen Super Leakproof® No-Show Boyshort 3-Pack

$77.00 CAD
$87.00

Save 10%

+1
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Stock Up & Save

Get all the period protection you need with Knix leakproof underwear kits. Find your perfect assortment of absorbent, comfortable, and machine-washable underwear, and enjoy worry-free protection no matter how heavy your flow.

Reusable period underwear that truly works - absorbent, leak resistant, comfy and easy to wash. Find your perfect style today!

Your leakproof questions, answered.