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Home / High Rise Underwear / Super Leakproof® No-Show High Rise - Last Call
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Super Leakproof® No-Show High Rise - Last Call

$25.20 CAD

$36.00

30% 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

| Buttercup
| Buttercup
| Buttercup
| Buttercup
| General
| General

Absorbency: Heavy

Color: Buttercup Limited Edition

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.
Last Call Return Policy

Sale & Last Call

Sale & Last Call

Items discounted 30% and below are eligible for size exchange or store credit. Items discounted above 30% and above are final sale – no refunds, store credits, or exchanges can be accommodated.
Rewards Members Earn 25 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 leakproof technology delivers a barely-there feel, while bonded edges prevent side leaks.

Moderate 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.

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| Buttercup
| Buttercup
| Buttercup
| Buttercup
| General
| General

How to Choose?

Essential

  • • Days you don’t need leak protection. Everyday freshness and moisture wicking.
  • tsp
    0 tsp

Heavy

  • • Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.
  • tsp
    about 8-14 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 4-7 super tampons
  • cup
    about 1.5-3 menstrual cups

Light

  • • Daily freshness. For sweat, discharge, period spotting, or backup protection.
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

  • • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
  • tsp
    about 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    about 0.5-3 menstrual cups

Ultra

  • • Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, or overnight protection.
  • tsp
    about 15-20 tsp
  • pad
    about 1.5-2.5 super pads
  • tampon
    about 7-11 super tampons
  • cup
    about 2-3 menstrual cups

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4.6
Rated 4.6 out of 5 stars
Based on 6,339 reviews
Total 5 star reviews: 5.1k Total 4 star reviews: 683 Total 3 star reviews: 254 Total 2 star reviews: 143 Total 1 star reviews: 201
92%would recommend these products
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6,339 reviews
  • Rated 5 out of 5 stars
    18 hours ago
    Terrific product

    Very happy with the fit and knowing I am good in sensitive situations.

    Jill F.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    20 hours ago
    very comfortable

    Ai like this garment so much I have just ordered more. Periods are not an issue for me, but do have bladder leakage.

    JEan P.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    21 hours ago
    Underwear

    Love these underwear! True to size. The lightweight ones are great for lighter days and the super ones are better for heavier days.

    Chelsea
    Verified Reviewer
    Was this helpful?
  • Rated 5 out of 5 stars
    5 days ago
    Comfort and confidence

    These are my go to! Love that I can confidently go anywhere and not have to worry about leakage or wearing bulky pads to avoid accidents.

    Teresa H.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    6 days ago
    Amazing

    Makes life so much easier!

    Donna S.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    6 days ago
    Great product

    I recently tried Knix leakproof underwear and I’m really impressed. They’re incredibly comfortable, soft, and feel just like regular underwear — not bulky or stiff like I expected. The fabric is breathable and stretchy, so they fit well and stay in place throughout the day.

    What I love most is the peace of mind they give. The leakproof layer works really well and helps prevent small leaks, which makes them great for periods, light bladder leaks, or postpartum recovery. I also appreciate that they’re reusable, which feels more sustainable than constantly using disposable products.

    After several washes they’ve held up really well and still feel high quality. Overall, they’re practical, comfortable, and make everyday life a little easier. I would definitely recommend them to anyone looking for reliable leakproof underwear.

    katie L.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    1 week ago
    Excedllent Quality

    Super fit, high quality fabric and they are indeed "super" leakproof!!

    Catherine F.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    1 week ago
    I love knix

    I have ordered several pairs of Knix leakproof underwear and will continue to purchase. Love the silky soft material and the leakproof benefit is exceptional

    Janis A.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    2 weeks ago
    High Rise

    I found the seam a little rough the first time I wore a pair but fine now after wshing

    Helen B.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    3 weeks ago
    Worth it

    Very comfortable and provides all the protection during heavy days.

    Czarina F.
    Verified Buyer
    Was this helpful?
  • Rated 5 out of 5 stars
    3 weeks ago
    Wearability

    I just know this! Knix has saved me & any thoughts about costs.. just that a Thought.. I’ve had my 3 pair for 6 years.. they’ve Never worn out & just as comfortable as ever… NOW I need to get rid of the cheapies & get More! Don’t hesitate just get these!

    Susie C.
    Was this helpful?
  • Rated 5 out of 5 stars
    3 weeks ago
    Consistently good

    Always fit well, are comfortable, provide confidence and I like the new pattern.

    Mona B.
    Verified Buyer
    Was this helpful?

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