Lightest Absorbency

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

Light Leakproof No-Show Thong

$13.00 CAD
$23.00

43% off

Color: Cherry, limited edition

+10
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Light Leakproof No-Show High Rise Thong

$22.95 CAD
$27.00

15% off

Color: Sola

+1
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Light Leakproof Gossamer Lace Thong

$23.79 CAD
$28.00

15% off

Color: Black

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Light Leakproof No-Show Bikini

$15.00 CAD
$25.00

40% off

Color: Cherry, limited edition

+20
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Light Leakproof Gossamer Lace Bikini

$27.19 CAD
$32.00

15% off

Color: Black

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Light Leakproof Gossamer Lace French Cut

$20.00 CAD
$34.00

41% off

Color: Dark Cherry, limited edition

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Light Leakproof No-Show Boyshort

$21.25 CAD
$25.00

15% off

Color: Midnight

+18
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Light Leakproof No-Show High Rise

$17.00 CAD
$29.00

41% off

Color: Glacier, limited edition

+15
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Leakproof Logo Rib Modal Boxer Brief

$37.40 CAD
$44.00

15% off

Color: Black

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Leakproof Thigh Saver® 6”

$26.00 CAD
$44.00

40% off

Color: Leopard Print, limited edition

+3
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Light Absorbency

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

Light Leakproof UltraThin No-Show Thong

$22.09 CAD
$26.00

15% off

Color: Midnight

+8
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Light Leakproof UltraThin Thong 3-Pack Gift Box

$39.00 CAD
$78.00

50% off

Color: Shine Bright/Cherry/Olive, limited edition

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Light Leakproof No-Show French Cut

$13.00 CAD
$27.00

51% off

Color: Pink Lemonade, limited edition

+18
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Leakproof UltraThin No-Show French Cut

$18.00 CAD
$30.00

40% off

Color: Mushroom, limited edition

+12
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Leakproof Logo Rib Modal French Cut

$28.90 CAD
$34.00

15% off

Color: Grey

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Leakproof Contour Thigh Saver® 6”

$41.65 CAD
$49.00

15% off

Color: Warm Sand

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Leakproof Thigh Saver® 10”

$40.80 CAD
$48.00

15% off

Color: Sola

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Medium Absorbency

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

Leakproof No-Show Thong

$18.00 CAD
$30.00

40% off

Color: Rose Water

+10
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Leakproof UltraThin No-Show French Cut

$18.00 CAD
$30.00

40% off

Color: Black Shimmer, limited edition

+12
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Leakproof UltraThin High Rise 3-Pack Gift Box

$48.00 CAD
$96.00

50% off

Color: Shine Bright/Cherry/Olive, limited edition

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Leakproof UltraThin No-Show Bikini

$23.79 CAD
$28.00

15% off

Color: Warm Sand

+10
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Leakproof Cotton Bikini

$21.25 CAD
$25.00

15% off

Color: Pepper

+1
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Leakproof UltraThin Bikini 3-Pack Gift Box

$42.00 CAD
$84.00

50% off

Color: Shine Bright/Cherry/Olive, limited edition

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Astrology Collection Leakproof UltraThin Bikini

$16.00 CAD
$28.00

42% off

Color: Capricorn, limited edition

+8
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Leakproof Cotton Modal Bikini

$19.00 CAD
$32.00

40% off

Color: Black

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Leakproof UltraThin No-Show High Rise

$27.20 CAD
$32.00

15% off

Color: Midnight

+10
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Leakproof Cotton High Rise

$24.65 CAD
$29.00

15% off

Color: Pepper

+1
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Leakproof Cotton Boybrief

$34.00 CAD
$40.00

15% off

Color: Rose Water

+1
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Luxe Modal Leakproof Sleep Boxer

$26.00 CAD
$44.00

40% off

Color: Dark Cherry, limited edition

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Heavy Absorbency

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

Super Leakproof® No-Show Bikini

$27.20 CAD
$32.00

15% off

Color: Black

+4
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Super Leakproof® No-Show Boyshort

$27.20 CAD
$32.00

15% off

Color: Warm Sand

+5
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Super Leakproof® No-Show French Cut

$20.00 CAD
$34.00

41% off

Color: Mushroom, limited edition

+12
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Super Leakproof® No-Show High Rise

$30.59 CAD
$36.00

15% off

Color: Midnight

+7
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Super Leakproof® Dream Short

$40.80 CAD
$48.00

15% off

Color: Black

+4
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Ultra Absorbency

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

Ultra Leakproof Zones+ Bikini

$30.59 CAD
$36.00

15% off

Color: Black

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Ultra Leakproof Zones+ High Rise

$33.15 CAD
$39.00

15% off

Color: Warm Sand

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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.

Up to 50% off Teen Period Underwear

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

Teen Super Leakproof® Sleepover Short

$27.00 CAD
$45.00

40% off

Color: Guava, limited edition

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

$52.00 CAD
$75.00

30% off

Color: Blueberry/Holly/Galaxy, limited edition

+3
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Teen Super Leakproof® No-Show Bikini 2-Pack

$34.00 CAD
$58.00

41% off

Color: Cosmo/Raspberry, limited edition

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Teen Light Leakproof No-Show Bikini

$18.70 CAD
$22.00

15% off

Color: Night Sky, limited edition

+5
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Teen Light Leakproof No-Show Boyshort

$18.70 CAD
$22.00

15% off

Color: Black

+4
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Teen UltraThin Bikini: Holiday 3-Pack

$52.00 CAD
$75.00

30% off

Color: Comet/Atmosphere/Starstruck, limited edition

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Teen Leakproof Cotton Bikini

$19.54 CAD
$23.00

15% off

Color: Pepper

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Teen Light Leakproof No-Show Boyshort 3-Pack

$46.00 CAD
$66.00

30% off

Color: Ruby/Sugar Plum/Posy, limited edition

+2
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Teen Super Leakproof® No-Show Bikini

$20.00 CAD
$29.00

31% off

Color: Perfect Pear, limited edition

+7
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Teen Super Leakproof® No-Show Boyshort

$20.00 CAD
$29.00

31% off

Color: Perfect Pear, limited edition

+3
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Teen Leakproof UltraThin No-Show Boyshort

$21.25 CAD
$25.00

15% off

Color: Black

+1
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Teen Leakproof UltraThin No-Show Bikini

$21.25 CAD
$25.00

15% off

Color: Warm Sand

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

$52.00 CAD
$75.00

30% off

Color: Ruby/Sugar Plum/Posy, limited edition

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

$39.00 CAD
$66.00

40% off

Color: Lucky Star/Berry/Cosmo, limited edition

+3
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Teen Super Leakproof® No-Show Bikini 3-Pack

$73.95 CAD
$87.00

14% off

Color: Black

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Teen Super Leakproof® No-Show Boyshort 3-Pack

$73.94 CAD
$87.00

15% off

Color: Black

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Teen Light Leakproof No-Show Bikini 2-Pack

$26.00 CAD
$44.00

40% off

Color: Black

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Teen Light Leakproof No-Show Boyshort 2-Pack

$26.00 CAD
$44.00

40% off

Color: Lucky Star/Berry, limited edition

+1
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Teen Super Leakproof® No-Show Boyshort 2-Pack

$34.00 CAD
$58.00

41% off

Color: Cosmo/Raspberry, limited edition

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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.