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Super Leakproof® No-Show High Rise

No-show, high-rise period underwear for heavy flows.
$36.00 CAD

Mix & Match: 3+ for $25 each
| 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 36 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 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

| Black
| Black
| Black
| 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
    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

Drop
Drop
Drop
Drop
Drop
  • light period days
  • sweat
  • 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 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    about 0.5-3 menstrual cups

Ultra

Drop
Drop
Drop
Drop
Drop
  • extra heavy period days
  • overnight protection
  • light bladder leaks
  • 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

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 6,256 reviews
Total 5 star reviews: 5k Total 4 star reviews: 675 Total 3 star reviews: 253 Total 2 star reviews: 141 Total 1 star reviews: 200
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
6,256 reviews
  • Rated 5 out of 5 stars
    4 minutes ago
    Excellent product!

    Very comfortable and what i was looking for

    Jennifer H.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 hour ago
    BEST UNDIES

    Love my Knix. They live up to everything that is promised. They truly are leak proof

    Jo-Ann D.
    Verified Buyer
  • Rated 5 out of 5 stars
    12 hours ago
    super leakproof no show high rise

    Nice fit and feel

    Donna H.
    Verified Buyer
  • Rated 4 out of 5 stars
    14 hours ago
    4 Stars

    Good coverage in rear but front could use some higher protection.

    Christine
  • Rated 5 out of 5 stars
    21 hours ago
    5 Stars

    Love these! Would buy more

    Chelsea
  • Rated 4 out of 5 stars
    3 days ago
    Panties

    I like them.

    Mary S.
    Verified Buyer
  • Rated 5 out of 5 stars
    5 days ago
    Just the best

    Most comfy.

    Anjali M.
    Verified Buyer
  • Rated 4 out of 5 stars
    6 days ago
    Comfy and keeps you dry

    Great product. Makes it easy to get thru day without a rush to the restroom.

    Karen S.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Great

    Great

    Marlene P.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Fav undies

    so comfy. Only style I wear.

    Sara P.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Panty review

    The panty is always tight at first but loosens up after several wearing. Absorbency is great for leaks.

    Nadine S.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Leakproof dream short

    Good quality

    Mary E. H.
    Verified Buyer