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Color: Warm Sand
New

Color: Warm Sand

Size:

Size:

Mix & Match: 3+ for $25 each
Rewards Members Earn 0 Points
New

Super Leakproof® No-Show French Cut

$32.00 CAD

Mix & Match: 3+ for $25 each
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Absorbs about 6 super tampons

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Invisible under clothes

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Extended gusset for extra protection

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Machine washable

| Black
| Black
| Black
| Black
| General

Color: Black

Size:

True to Size

Size:

Size and Fit Guide

Leakproof Underwear is Sales Tax Free in Canada*
Free Shipping on orders $100+

Shipping

Shipping
Processing Timelines

Please allow 1-2 business days for our warehouse team to pack and ship your order. During peak periods such as sales, holidays and product launches, please allow up to 4 business days for us to process your order.

Delivery Time

For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines vary depending on location and do not include processing times.

Shipping Charges

Orders over $100* CAD = Free Shipping (2-6 business days)
Orders under $100* CAD = $12 CAD Shipping (1-3 business days)
Orders delivering to NWT, Nunavut and Yukon are subject to $20 delivery fee.
*After discounts, before shipping and taxes.

Easy Exchanges within 30 Days

Returns

Returns
Free Returns

Knix covers the return shipping fees for exchanges and refunds initiated through our Return & Exchange Portal. Exchange orders initiated through our Return & Exchange portal are also eligible for free shipping within the USA and Canada. Please note, the shipping fees on your original order are non-refundable.

Return Policy

Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.

Sale & Last Call

Items discounted below 30% are eligible for size exchange or store credit. Items discounted 30% and above are final sale – no refunds, store credits, or exchanges can be accommodated.

Rewards Members Earn 32 Points

Comfort-First Fit

A French-cut silhouette that sits at the natural waistline and provides medium bum coverage.

Worry-Free Protection

Patented bonded edges help prevent side leaks.

Heavy Absorbency

Absorbs 6 Super tampons worth of liquid—perfect for heavy flow days, overnight protection, and light bladder leaks.

No More Panty Lines

Made from our signature buttery-soft fabric and designed to be invisible under clothes, including leggings.

Easy to Wash

Machine washable just like regular underwear.

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| Black
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| General

How to Choose?

Essential

Drop
Drop
Drop
Drop
Drop
  • Everyday Wear
  • No leakproof protection
  • tsp
    0 tsp

Heavy

Drop
Drop
Drop
Drop
Drop
  • heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    6-11 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 3-6 super tampons
  • cup
    about 1-2 menstrual cups

Light

Drop
Drop
Drop
Drop
Drop
  • light period days
  • sweat
  • sweat and discharge
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

Drop
Drop
Drop
Drop
Drop
  • moderate period days
  • light bladder leaks
  • sweat
  • tsp
    about 3-6 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-3 super tampons
  • cup
    about 0.5-1 menstrual cups

Ultra

Drop
Drop
Drop
Drop
Drop
  • extra heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    13-17 tsp
  • pad
    3.5-4.5 regular pads
  • tampon
    7-9 super tampons
  • cup
    2-3 menstrual cups
PATENTED LEAKPROOF TECHNOLOGY

Built-in protection that feels like nothing at all

Our original Fresh Fix Technology® features a built-in absorbent liner absorbing about 3-6 super tampons worth of liquid so you feel fresh and in-control.

Soft Top Layer

Soft Top Layer

Gently wicks away moisture while keeping you feeling fresh and odor-free.

4.7
Rated 4.7 out of 5 stars
Based on 547 reviews
Total 5 star reviews: 450 Total 4 star reviews: 49 Total 3 star reviews: 24 Total 2 star reviews: 12 Total 1 star reviews: 12
93%would recommend these products
ComfortRated 4.7 on a scale of 1 to 5
EffectivenessRated 4.7 on a scale of 1 to 5
FitRated 0.1 on a scale of minus 2 to 2
Ease of UseRated 4.8 on a scale of 1 to 5
547 reviews
  • Rated 5 out of 5 stars
    4 minutes ago
    Review

    Great fit and excellent quality

    Ange P.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    Ms.

    Comfortable, true to size, good protection, washes nice.

    Michele L. C.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    As described

    Product works as described, nothing negative to report

    Carla A.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    Comfortable

    Wears well

    Susan L.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    Good product

    Wear well

    Susan L.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Finally! Great under-Roos for women!

    I love these panties, I only wish they were areounf when I was younger but now I definitely need them when I’m older. I love the feel of the fabric and so absorbing. I am a customer for life!❤️

    Virginia U.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Exceeded expectation

    Super comfortable, love the butteryness of the material, no leaks and really supportive. Didn't roll down either throughout the day. Highly recommend!

    Kristen K.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Exceeded my expectation

    Fit great, love the buttery fabric and I feel like it's actually supportive in the front. Didn't roll down at all. No leaking either.

    Kristen K.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Amazing!

    Have loved my Knix underwear since the beginning- but these were my first leakproof ones and I cannot say enough good things. Comfortable, amazing fit, and great for small

    Bladder leaks

    Vicky C.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Like Second Skin!

    Love these panties !

    Nancy S.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Great Product

    This is great, looks and fits great. Does what it is advertised to do.

    Carla A.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Panties

    So comfy!

    Jillian E. T.
    Verified Buyer