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Super Leakproof® No-Show High Rise

$36.00 CAD

Buy 3+ Save 15%, Buy 5+ Save 20%
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Now absorbs about 6 super tampons

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2" added to gusset for extra protection

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Invisible under clothes

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Machine washable

Megan has 36.5” hips and wears KNIX S | Twilight Navy

Megan has 36.5” hips and wears KNIX S

| Twilight Navy
Megan has 36.5” hips and wears KNIX S | Twilight Navy

Megan has 36.5” hips and wears KNIX S

Megan has 36.5” hips and wears KNIX S | Twilight Navy

Megan has 36.5” hips and wears KNIX S

  | General

Megan has 36.5” hips and wears KNIX S

Color: Twilight Navy

Size:

True to Size

Size:

Size and Fit Guide

Leakproof Underwear is Sales Tax Free in Canada*

Build Your 3-Pack

Megan has 36.5” hips and wears KNIX S | Twilight Navy

Super Leakproof® No-Show High Rise

Color: Twilight Navy

Size:

Size:

Megan has 36.5” hips and wears KNIX S | Twilight Navy

Super Leakproof® No-Show High Rise

Color: Twilight Navy

Size:

Size:

Megan has 36.5” hips and wears KNIX S | Twilight Navy

Super Leakproof® No-Show High Rise

Color: Twilight Navy

Size:

Size:

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.

First Pair Risk Free for 30 Days

Leakproof Underwear, Risk Free

Returns & Exchanges

Leakproof Underwear, Risk Free
Trying leakproof underwear for the first time? Your first pair is completely risk free for 30 days. Wear them, wash them, and see how they work for your body. If they’re not right for you, we’ll refund your first pair. Prefer a different size or style? We also offer free exchanges.

How it works:

  • Risk free applies to leakproof underwear on your first order
  • Refund covers the item price (original shipping excluded)
  • Just email info@knix.com and we’ll take care of you

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

Rewards Members Earn 36 Points

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

- Business Insider

Product Description

Total security from morning to night. Upgrade your cycle with the Super Leakproof No-Show High Rise, engineered for those who prioritize extra coverage and comfort. The extended gusset provides 360-degree protection against leaks, making it an ideal choice for heavy days or postpartum recovery. Crafted from moisture-wicking, anti-odor fabric, it keeps you dry and fresh without the bulk of a pad. Ditch the disposables for this sustainable, high-performance period solution that flatters your curves and stays in place.

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.

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.

Zoom

Megan has 36.5” hips and wears KNIX S | Twilight Navy
| Twilight Navy
Megan has 36.5” hips and wears KNIX S | Twilight Navy
Megan has 36.5” hips and wears KNIX S | Twilight Navy
  | 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
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

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

4.6
Rated 4.6 out of 5 stars
Based on 6,354 reviews
Total 5 star reviews: 5.1k Total 4 star reviews: 685 Total 3 star reviews: 255 Total 2 star reviews: 143 Total 1 star reviews: 202
92%would recommend these products
ComfortRated 4.7 on a scale of 1 to 5
EffectivenessRated 4.6 on a scale of 1 to 5
FitRated 0.2 on a scale of minus 2 to 2
Ease of UseRated 4.8 on a scale of 1 to 5
6,354 reviews
  • Rated 5 out of 5 stars
    3 minutes ago
    Mrs.

    Very comfortable and effective.

    Chava K.
    Verified Buyer
  • Rated 5 out of 5 stars
    Yesterday
    Mrs

    very good product

    Janna L.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    Exactly as advertised

    Great fit, comfortable, and seem to do the job! I have reordered already!

    Melinda W.
    Verified Buyer
  • Rated 5 out of 5 stars
    6 days ago
    Great underwear!

    I have at least one in most colors to match my bras. They are great for helping to keep dry in the summer. Super comfortable and soft material too.

    Alicia L.
    Verified Buyer
  • Rated 5 out of 5 stars
    6 days ago
    Great product!

    Exactly as described. Very pleased with my purchase.

    Staci M.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Third time purchasing

    Every year I buy a new set of leakproof undies. This year I finally decided to take better care of them and wash on gentle, hang to dry. They are exceptional and worth every penny! I love how every time I order there is a limited edition colour that I always pick.

    Ashley M.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Super leak proof no show hi rise

    Love them

    Nan R.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Best underwear ever

    I love these things so much I bought 3 of the 3pks.

    Amanda T.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Super Leakproof High Rise

    These are comfortable to wear all day. No odor from occasional leaks.

    Ellen G.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Great period/everyday underwear

    Feels great and looks great too

    Kate G.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    As advertised

    Fit is perfect

    Material is soft

    Absorbs as stated.

    Kathy E.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Terrific product

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

    Jill F.
    Verified Buyer

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