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Color: Black
Sale

Color: Black

Size:

Size:

Size and Fit Guide

Mix & Match: 3+ for $20 each
Rewards Members Earn 0 Points
Sale

Light Leakproof No-Show Bikini

$17.50 CAD

$25.00

Mix & Match: 3+ for $20 each
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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

Adiya has 43

Adiya has 43" hips and wears a Knix size L

Adiya has 43

Adiya has 43" hips and wears a Knix size L

Adiya has 43

Adiya has 43" hips and wears a Knix size L

Made with soft, stretchy fabric that’s quick dry for your comfort  | General

Made with soft, stretchy fabric that’s quick dry for your comfort

Wear on their own or as backup protection | General

Wear on their own or as backup protection

Washes just like regular underwear | General

Washes just like regular underwear

Adiya has 43" hips and wears a Knix size L

Color: Lace Peony 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 17 Points

"...the most comfortable period underwear I've ever tried."

- Good Housekeeping

Comfort-First Fit

Bikini silhouette with a classic mid-rise fit, medium 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

Buttery-soft and smooth fabric gives a seamless look and feel. Disappears under clothes, even leggings.

Easy to Wash

Machine washable just like regular underwear.

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Adiya has 43
Adiya has 43
Adiya has 43
Made with soft, stretchy fabric that’s quick dry for your comfort  | General
Wear on their own or as backup protection | General
Washes just like regular underwear | 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 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 6,102 reviews
Total 5 star reviews: 4.5k Total 4 star reviews: 854 Total 3 star reviews: 342 Total 2 star reviews: 178 Total 1 star reviews: 181
91%would recommend these products
ComfortRated 4.6 on a scale of 1 to 5
EffectivenessRated 4.6 on a scale of 1 to 5
FitRated -0.1 on a scale of minus 2 to 2
Ease of UseRated 4.5 on a scale of 1 to 5
6,102 reviews
  • Rated 5 out of 5 stars
    1 week ago
    Love love love

    I am quite impressed by these. Being a bigger lady I've had problems with bikini panties rolling and gathering. These stay put no rolling, gathering and they feel great.

    Thank you Knix

    Shirley
  • Rated 2 out of 5 stars
    4 weeks ago
    Description different than ordered

    Ordered light but got medium absorption a bit too bulky

    Carol P.
    Verified Buyer
  • Rated 2 out of 5 stars
    4 weeks ago
    Works great but doesn't last long

    While my Knix are still better than disposable pads, they completely disintegrate after a year, despite careful washing and drying them flat.

    Araminta B.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Silky smooth

    So comfy and silky smooth. Create a no show under clothing. Also provides just the right amount of leak protection for me. Definitely my new favourite.

    Patty P.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Great Fit!

    Great fit!

    Kathy C.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    LOVE my Knix but….

    I have multiple pairs of these underwear and I love them, however, my only complaint is I wish the lined/absorbent part came up a bit higher in the front. I hope this is an option in the future for even the lighter absorbency options.

    Samantha H.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Great pair of no show panties.

    Love the light leakproof no show panties. Great for every day wear.

    hollie d.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Great everyday underwear

    Great for every day use and super comfortable

    Tanya H.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    Great!

    Excellent for every day

    Katherine C.
    Verified Buyer
  • Rated 3 out of 5 stars
    1 month ago
    Comfortable but gusset is too short

    Higher quality than my daily underwear. Washed well. Unfortunately, the gusset is a little short in the front which resulted in leakage. I would purchase for daily wear but not for period protection.

    Emily G.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    Very comfortable and stylish

    Very comfortable and stylish, only wish the lining covered a little more in the front.

    Bethany F.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Fits comfortably

    No more problems with bum coverage!

    wendy m.
    Verified Buyer