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Color:

Color: Cheetah Print Limited Edition

Size:

Size:

Size and Fit Guide

Spend $200+, get extra 10% OFF
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Sale

Super Leakproof® No-Show High Rise Kit

$27.00 CAD

$36.00

25% off
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Absorbs about 4 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
| 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 27 Points

"Knix actually devised a super thin nylon-Spandex pair which is virtually invisible under clothing."

- Business Insider

Comfort-First Fit

Sits at the natural waistline and provides medium bum coverage.

Worry-Free Protection

Patented bonded edges help prevent side leaks.

Heavy Absorbency

Absorbs 4 super tampons worth of liquid—perfect for heavy flow days, overnight protection, and light bladder leaks.

No-Show Style

Made from our signature buttery soft fabric with a wide, comfortable waistband. Wear it on its own or under your favorite pajamas.

Easy to Wash

Machine washable just like regular underwear.

Zoom

| Black
| Black
| Black
| Black
  | General
| Black
  | 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 4 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.

4.6
Rated 4.6 out of 5 stars
Based on 6,219 reviews
Total 5 star reviews: 5k Total 4 star reviews: 668 Total 3 star reviews: 252 Total 2 star reviews: 141 Total 1 star reviews: 200
92%would recommend these products
6,219 reviews
  • Rated 5 out of 5 stars
    6 hours ago
    Underwear

    My first order with you were for Large underwear. I found it did not fit right so took them to our local thrift store. When in a KNIX store I tried on a Medium and they were much better.

    DOREEN S.
    Verified Buyer
  • Rated 5 out of 5 stars
    19 hours ago
    Ma fille adore

    Ma fille a adoré le tissu, très confortable et le fit aussi.

    Karine C.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    Great

    Great love it, knix should make more dark colors like the old days

    Elenita F.
    Verified Buyer
  • Rated 3 out of 5 stars
    2 weeks ago
    Not great

    Almost but kind of baggy and insufficient to stop minor leaks

    Nora M.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Purchase review

    Works great. Item as described

    Alice M.
    Verified Buyer
  • Rated 4 out of 5 stars
    3 weeks ago
    Love this pant

    Gusset needs to be longer sometimes leaking they even though these r heavy duty. Really not made for accidents. Only light leaks.

    April L. R.
  • Rated 5 out of 5 stars
    3 weeks ago
    You can't even feel that you're wearing undergarments!

    Soft, stretchy, breathable and oh so comfortable.

    Anne B.
    Verified Buyer
  • Rated 4 out of 5 stars
    3 weeks ago
    Good

    Good

    E E.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    Perfect fit

    Perfect fit, comfortable and love the leakproof aspect. It makes me feel more secure if out and about or travelling .

    Laurel P.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    No show high rise.

    Love them.

    Mary P.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    Very comfortable and effective.

    I really like these. As a Realtor out showing properties it’s nice to have this extra protection for just in case.

    Barbara D.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    Leakproof Underwear

    This underwear has great leakproof protection. I will definitely order more.

    Linda M.
    Verified Buyer