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Color: Warm Sand
New

Color: Warm Sand

Size:

Size:

Mix & Match: 3+ for $25 each
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Sale

Light Leakproof No-Show Bikini 3-Pack

$60.00 CAD

$75.00

20% off
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3-pack underwear

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Absorbs about 1 regular tampon

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Invisible under clothes

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Perfect for daily wear

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Machine washable

| Twilight Navy/Sphere/Purple Heather
| Twilight Navy/Sphere/Purple Heather
| Twilight Navy/Sphere/Purple Heather

Color: Twilight Navy/Sphere/Purple Heather 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.

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 60 Points

Comfort-First Fit

Boyshort silhouette with a mid-rise fit and extra hip and bum coverage.

Worry-Free Protection

Our original leakproof technology provides a barely noticeable feel. Patented bonded edges help prevent side leaks.

Light Absorbency

Absorbs 1 regular tampon worth of liquid—perfect for light flow days, sweat and discharge, and backup protection for heavy flow days.

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

| Twilight Navy/Sphere/Purple Heather
| Twilight Navy/Sphere/Purple Heather
| Twilight Navy/Sphere/Purple Heather

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 1 regular tampon 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.

4.5
Rated 4.5 out of 5 stars
Based on 6,970 reviews
Total 5 star reviews: 5.2k Total 4 star reviews: 950 Total 3 star reviews: 389 Total 2 star reviews: 197 Total 1 star reviews: 218
91%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 0.0 on a scale of minus 2 to 2
Ease of UseRated 4.6 on a scale of 1 to 5
6,970 reviews
  • Rated 5 out of 5 stars
    4 minutes ago
    COMFORTABLE

    Not my first order so I knew I would be satisfied.

    Nathalie B.
    Verified Buyer
  • Rated 5 out of 5 stars
    Yesterday
    Confidence and comfort

    Fit great, comfortable, no more worries. Success all around.

    Anne R.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    I bought them for my daughter!

    So easy to order online, and they finally arrived! Took a bit longer due to postal strike. I’m sure she’s going to love them!

    Toby C.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 days ago
    5 Stars

    Great fit

    Monica
  • Rated 5 out of 5 stars
    5 days ago
    Good product

    good product

    Candace H.
    Verified Buyer
  • Rated 2 out of 5 stars
    5 days ago
    Not long enough padding

    While the quality of material is great, the light leakproof pairs do not have long enough padding in the front and because of that, they were not leak proof at all.

    Rachel P.
    Verified Buyer
  • Rated 5 out of 5 stars
    6 days ago
    Indispensable

    Confortable et parfaite pour éviter d’être taché quand vos règles arrivent un peu n’importe quand pendant cette période de ménopause

    Nancie K.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    So Soft and Comfy

    They honestly don't feel like your wearing anything when they're on. The material is butter soft to the touch.

    Samantha P.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    Great Product

    The fit is perfect. I love that there is a large selection of styles and colors.

    Gail N.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    New customer

    Love the material. Switched from dear Kate brand and am sad I didn’t do it sooner.

    Much prefer shopping in store than on line

    Kerri B.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Love them

    Fit and fabric fabulous !

    Karen P.
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Love em

    I really love my panty.

    Rachel C.
    Verified Buyer