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Color: Black
Best Seller

Color: Black

Size:

Size:

Size and Fit Guide

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

Essential No-Show Bikini

$22.00 CAD

Mix & Match: 3+ for $20 each
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Essential for non-leak days

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Invisible under clothes

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Always fresh, quick-dry liner

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Machine washable

Amber has 46” hips, and wearing KNIX L | Warm Sand

Amber has 46” hips, and wearing KNIX L

| Warm Sand
Amber has 46” hips, and wearing KNIX L | Warm Sand

Amber has 46” hips, and wearing KNIX L

Amber has 46” hips, and wearing KNIX L | Warm Sand

Amber has 46” hips, and wearing KNIX L

| General

Amber has 46” hips, and wearing KNIX L

Color: Warm Sand

Size:

True to Size

Size:

Size and Fit Guide

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 22 Points

Comfort-First Fit

Bikini silhouette with a classic mid-rise fit, medium hip and bum coverage.

Essentials Redefined

Designed for daily comfort when you don't need absorbent protection. The carbon-cotton top layer keeps you feeling fresh throughout the day.

No-Show Style

Made from our signature buttery-soft PerformaStretch® fabric, it appears invisible under clothing.

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Amber has 46” hips, and wearing KNIX L | Warm Sand
| Warm Sand
Amber has 46” hips, and wearing KNIX L | Warm Sand
Amber has 46” hips, and wearing KNIX L | Warm Sand
| 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
4.6
Rated 4.6 out of 5 stars
Based on 2,217 reviews
Total 5 star reviews: 1.7k Total 4 star reviews: 297 Total 3 star reviews: 141 Total 2 star reviews: 52 Total 1 star reviews: 58
90%would recommend these products
ComfortRated 4.7 on a scale of 1 to 5
SizingRated -0.1 on a scale of minus 2 to 2
2,217 reviews
  • Rated 5 out of 5 stars
    2 weeks ago
    5 Stars

    Wonderful

    victor
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    No-Show Bikini

    Very comfortable I will definitely buy again.

    Denise C.
    Verified Buyer
  • Rated 4 out of 5 stars
    3 weeks ago
    Almost perfect!

    The pink ginger matches my skin tone perfectly; it doesn’t show through white. Please bring it back in the bras! The bikini is almost perfect, I wish it also came in a slightly higher rise but not as high as the high rise, maybe 1-1.5 inches higher.

    Andrea L. D.
    Verified Buyer
  • Rated 1 out of 5 stars
    3 weeks ago
    Do not buy these

    Buy any other brand - I have tried these twice, both bled right through the underwear within 30 minutes without having significant flow. Incredibly frustrating - Save your money.

    Megan M.
    Verified Buyer
  • Rated 5 out of 5 stars
    3 weeks ago
    Finally!

    Love these, so thin & comfortable. Stay dry all day!

    Katarina G.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    comfortable

    No issues, just as described on the website.

    Cindy M.
    Verified Buyer
  • Rated 5 out of 5 stars
    4 weeks ago
    the best undies

    No show and super comfy. Knix is the first ones I reach for

    Connie W.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    Unders

    Nice fit

    Peggy K.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    Bikini

    The fabric is so soft ..fits perfectly

    Doanne C.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 month ago
    Easy breeze

    The right comfort for every day use.

    Jenny P. Z. P.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    3 nix

    not enough absorption

    Sally K.
    Verified Buyer
  • Rated 4 out of 5 stars
    1 month ago
    2 knix

    nnt enough absoption

    Sally K.
    Verified Buyer