DEALHACK

agents@dealhack$fetch the freshest Knix codes…

Best Knix Promo Codes September 2026

✓agent-verified & updated·

Today's Top Knix Coupons:

15 offers in total
15%
OFF

Take 15% Off Storewide at Knix

worked at checkout

Apply this discount code to save 15% on your storewide Knix order.

  • saves ~$19.44
  • community
How We Verify This Code
28
code confidence
worth a try
4 of 4
code checks worked
3
shoppers tried it at checkout
in the last 14 days
3
shoppers got the discount
$19.44
median discount
15% of the cart
$1,090.97
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Save 15% Off Orders $100+ at Knix

worked at checkout

Use this promo code to save 15% on Knix orders of $100 or more.

  • saves ~$14.40
  • community
How We Verify This Code
27
code confidence
worth a try
4 of 5
code checks worked
3
shoppers tried it at checkout
in the last 14 days
3
shoppers got the discount
$14.40
median discount
15% of the cart
$1,963.36
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

The cart has to reach $100 before this offer applies.

use code
DEAL

Free UltraThin Underwear With Qualifying Bra Purchase

Get a free pair of UltraThin underwear when you purchase any qualifying bra at $58+ or $65+; add both items to your cart and apply the code to receive the free pair (one per person; exclusions apply and cannot be combined with other offers).

  • store issued
How We Verify This Code
25
code confidence
worth a try

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Knix published this code itself, on its own pages, its newsletter or a feed we take from it.

use code
15%
OFF

Take 15% Off Storewide at Knix

worked at checkout

Unlock 15% off storewide at Knix with this discount code.

  • saves ~$15.60
  • community
How We Verify This Code
25
code confidence
worth a try
3 of 3
code checks worked
3
shoppers tried it at checkout
in the last 14 days
3
shoppers got the discount
$15.60
median discount
15% of the cart
$347.45
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Take 15% Off Sitewide

worked at checkout

Unlock 15% off your sitewide Knix order with this promo code.

  • saves ~$32.10
  • community
How We Verify This Code
22
code confidence
worth a try
2 of 2
code checks worked
2
shoppers tried it at checkout
in the last 14 days
2
shoppers got the discount
$32.10
median discount
15% of the cart
$64.20
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Save 15% Off Sitewide at Knix

Enjoy 15% off sitewide at Knix when you use this code.

  • community
How We Verify This Code
10
code confidence
still worth a try
4 of 4
code checks worked

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
21%
OFF

Save 21% Off Storewide at Knix

Receive 21% off storewide at Knix when you check out using this code.

  • saves ~$26.88
  • community
How We Verify This Code
1 of 1
code checks worked
12
shoppers tried it at checkout
in the last 14 days
1
shopper got the discount
$26.88
median discount
21% of the cart
$810.64
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Get 15% Off Sitewide at Knix

Enjoy 15% off sitewide at Knix when you use this code.

  • saves ~$23.72
  • community
How We Verify This Code
1 of 1
code checks worked
11
shoppers tried it at checkout
in the last 14 days
10
shoppers got the discount
$23.72
median discount
11% of the cart
$47.44
saved in total
across every cart we have seen

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Take 15% Off Your First Knix Order

Use this discount code to save 15% on your first Knix order.

  • store issued
How We Verify This Code
1 of 1
code checks worked
2
shoppers tried it at checkout
in the last 14 days
1
shopper got the discount

Shoppers who tried it at checkout entered this code in their cart in the last 14 days, each checkout counted once. Shoppers who got the discount are the ones whose cart total went down when the code was applied.

Knix published this code itself, on its own pages, its newsletter or a feed we take from it.

use code
10%
OFF

10% Off Eligible Purchases at Knix

With this coupon code, you can get 10% off on eligible Knix purchases.

  • saves ~$15.25
  • community
Offer Details
$15.25
median discount
15% of the cart
$1,223.05
saved in total
across every cart we have seen

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
15%
OFF

Buy 3+ Underwear, Save 15%, Buy 5+ Underwear, Save 20%

Knix shoppers can mix and match eligible underwear styles to unlock tiered savings. The discount applies at checkout when the cart includes at least three qualifying pairs, with a higher discount when five or more qualifying pairs are purchased.

  • store issued
Offer Details

Knix announced this deal itself, on its own pages, its newsletter or a feed we take from it.

Get Deal
20%
OFF

20% Off Underwear Kits And Packs

Save 20% on select Knix underwear kits and packs, including curated 2-packs, 3-packs, 5-packs, and special kits that feature built-in bundle pricing versus regular single-item prices.

  • store issued
Offer Details

Knix announced this deal itself, on its own pages, its newsletter or a feed we take from it.

Get Deal
15%
OFF

Buy 3+ Thigh Savers for 15% Off

Get 15% off when you buy 3 or more qualifying Thigh Saver shorts, with the discount automatically applied at checkout on select full-price styles (excluding Sale and Last Call items).

  • store issued
Offer Details

Knix announced this deal itself, on its own pages, its newsletter or a feed we take from it.

Get Deal
60%
OFF

Last Call Activewear: Up To 60% Off

Shop select Knix activewear last call styles with discounts up to 60% off, including tanks, leggings, shorts, bras, socks, and accessories with sale prices shown on product listings.

  • store issued
Offer Details

Knix announced this deal itself, on its own pages, its newsletter or a feed we take from it.

Get Deal
15%
OFF

Founders Pick: 15% Off Select Bra

Save 15% on select Founders Pick bras, with featured styles like the Revolution Adjustable Pullover Bra and similar favorites showing discounted pricing on their product pages.

  • store issued
Offer Details

Knix announced this deal itself, on its own pages, its newsletter or a feed we take from it.

Get Deal

Knix Shopping Info

Discounts

✓
Popup/Newsletter
Sign up for emails or texts to get updates, promotions, and special introductory offers.
✓
Loyalty
Knix Rewards
✓
Students
15% off · Student Beans
✓
Birthday
20% off
✓
Refer a Friend
Give $20, Get $20

Shipping & Returns

✓
Free Shipping
Threshold: $100
✓
Intl Shipping
International orders of $150 or more qualify for free shipping.
✓
Free Returns
Window: 30 days · Fee: Free
Final Sale
Warehouse sale items and final call items are final sale and non-returnable.

Payments

Cards
Visa, Mastercard, American Express, Discover
Wallets
Apple Pay, Google Pay, Shop Pay
BNPL
Afterpay
✓
Gift Cards

Knix Code Checks, Day by Day

Every Knix code check from the last 13 days, plotted by the day it ran. Green is how many came back working. Red is how many knix.com would not accept. That is the checkout testing you did not have to sit through yourself.

agents@dealhack: ~/signals --store knix.com --days 13
32
code checks run
28
checks where the code worked
87.5%
success rate
15
different codes tried
13 days · 32 code checks · 28 worked
workedpeak 7
would not applypeak 2
Daily coupon check results
DayCodes that workedCodes that would not applySuccess rate
010%
10100%
10100%
010%
50100%
00—
5271%
00—
10100%
00—
10100%
70100%
70100%
where this data came from:
15 automated cart runs13 web search results4 shoppers reporting back

4 of these results came from shoppers telling us whether a code worked; the rest come from automated checks and the other sources above. Last confirmed working on . Codes that stop clearing get pulled off this page automatically.

What These Numbers Mean

A code check is one result for one code. Most are our agents applying it to a real cart and reading the order total before and after; the rest come from tracked orders and from shoppers reporting back, as broken down above. Worked means the code was accepted and the total went down. Would not apply means knix.com refused it on that cart. That is not the same as the code being fake. The usual reasons are:

  • It expired or the store switched it off after it was published.
  • It was single-use and had already been redeemed.
  • It only covers certain categories, brands or individual products.
  • The cart did not reach a minimum spend.
  • It is limited to new customers, a first order, or an email sign-up.
  • It cannot be combined with an active sale or another code.
  • It is tied to a different country, currency or membership.

So a code that failed one check can still work on your cart, and the success rate (checks that worked divided by all checks) is best read as how easily Knix discounts apply in general, not as a verdict on any single code. Hover any bar in the chart to see that day on its own.

When Knix Runs Sales

Recurring events worth timing an order around. Windows shift year to year, so treat them as a shopping calendar rather than a fixed date.

  1. late November
    Black Friday & Cyber Monday

    Major sitewide savings events offering deep percentage discounts across wireless bras, leakproof underwear, and activewear selections.

  2. season changes
    Last Call Clearance Event

    End-of-season markdown events featuring up to 60 percent off select discontinued styles, colors, and limited-edition inventory.

  3. mid to late year
    VIP Days Rewards Event

    Exclusive sales for loyalty program members featuring accelerated points multipliers and special redemption discounts.

Locate the Code Box at knix.com

The agents tested the code. Entering it is the one part we leave to you. Here's exactly where the Knix promo code goes at checkout.

Follow the shopper-submitted screenshots below to spot the Knix promo box and apply your code. Miss a step and even a working code does nothing, so the agents mapped every one for you.

Knix checkout page showing the Discount code or gift card field and Apply button

How to find

  1. 1.Click the cart icon to view the shopping bag.
  2. 2.Click the CHECKOUT NOW button to proceed to the checkout page.
  3. 3.Locate the Order Summary on the right side of the page.
  4. 4.Find the text field labeled Discount code or gift card below the item list.
  5. 5.Enter your code into the field and click Apply.

How to use

Enter your code into the field labeled 'Discount code or gift card' and click the 'Apply' button.

Before You Buy at Knix

What shoppers ask most about Knix.

›Can I combine multiple promo codes or stack discounts on an order?

Only one promotional code or discount coupon can be applied per checkout transaction. Promotional codes do not automatically combine with existing multi-item bundle discounts or loyalty reward redemptions unless explicitly stated in the specific offer terms.

›Are there any brand or collection exclusions where promo codes never apply?

Promotional discount codes never apply to third-party partner items such as NOOD products, gift cards, or items already marked down in the Last Call and final sale clearance categories. These excluded items are exempt from sitewide percentage-off promotions.

›How do I verify my student status to receive the Student Beans discount?

You can unlock your student discount by logging into your Student Beans account during the online checkout verification step. Once your enrollment status is authenticated, a unique single-use code will be issued for your cart.

›Does Knix offer price adjustments if an item goes on sale after purchase?

Price adjustments are honored if an item is marked down within 14 days of your original purchase date. To claim the difference, you must contact customer support with your order number, and the refund will be credited back to your original payment method.

How We Verify Knix Codes

Nothing goes up here on trust. A Knix code is collected, applied to a real knix.com cart, dated the last time it took money off an order, scored on what came back, and pulled once it stops clearing. Promotions have no code to run through a checkout, so those are dated when they go live and dropped when they lapse. Here is how far that has got on this page, and every change the agents logged along the way.

agents@dealhack: ~/verify --store knix.com --log
collect15 Knix offers listed here: 10 codes you paste at checkout, 5 promotions that need none · 8 sent in by shoppers
test10 codes put through a live knix.com cart · last run
confirm5 of 10 codes took money off an order in the last 7 days · most recently
score6 codes rated on how likely they are to work · last recalculated
measure7 codes with a discount measured on real carts · $5,547 taken off in total
pruneexpired offers and dead codes drop off this page automatically

Recent Knix offer activity

Each entry is a change the agents logged on this page, newest first.

  1. 9 codes rescored on fresh results

    22 signals read · odds of working recalculated

  2. 15% off code rescored

    1 of 1 check worked · 1 signal

  3. 4 codes worked on live knix.com carts

    each one took a discount off a real order

  4. 4 codes retested at checkout

    applied to a live knix.com cart

  5. 15% off code worked on a live knix.com cart

    10/100 code confidence · 4 of 4 checks worked · 4 signals

  6. New 15% off code added

    sent in by a shopper · 10/100 code confidence · 4 of 4 checks worked

  7. New 15% off code added

    published by Knix · 1 of 1 check worked · 1 signal

The agents keep retesting every Knix code on this page. No one here vouches for a code they did not watch work. If one slips through expired, take the next on the list. We keep backups. Want more codes we have watched work? See top-rated verified promo codes from every store.

Help Other Knix Shoppers

Not every Knix code reaches us from the store. 8 codes on this page were first submitted by shoppers. They have also sent back 4 checkout results in the last 13 days, telling us which codes worked on a real cart and which came up empty. Wherever a code comes from, it still has to pass the same cart test before it goes up here.

46 hours
since a code sent in by a shopper last took money off a real knix.com cart
13%
of every check on this page came from a shopper, not an agent

Have a code we missed?

Send it over and the agents will run it through a real knix.com cart. If it works, it lands here with the test behind it.

Did a code work for you?

Open any Knix code above and tell us whether it worked. It takes one tap, no sign-up, and a code that keeps failing gets pulled off the page.

Rate a code

Knix Customer Support

Need help with your shopping? Here's what's available for Knix when an order, return, or promo code needs a human.

Phone

1-647-691-5544

Email

info@knix.com

Live chat

Available

Help center

knix.com

About Knix

Who you're buying from.

Brand Profile

Websiteknix.com
Founded2013
HeadquartersToronto, Canada
Parent companyEssity
Follow Knix for sale alerts and new arrivals

Did You Know

Founding

Knix was established in Toronto, Canada, by entrepreneur Joanna Griffiths to disrupt the traditional intimate apparel market.

Origin Story

The brand originated from a mission to create functional leakproof underwear and seamless period protection products that did not exist previously.

Sustainability

Knix products emphasize reusability and sustainable alternatives to disposable feminine hygiene products and traditional pads.

Stores Like Knix: Today's Best Coupons

These 12 stores sell products similar to Knix. Below you can see the best coupon or deal available at each one today, so you can compare prices before you buy. 9 of them have a promo code you can copy at checkout.

Meshki10% off

10% Off Any Purchase at MESHKI US

Use This Meshki Coupon Code for 10% Off Any Order at MESHKI US

  • saves ~$17.50
  • community
Get Code
Dillard's24% off

Take 24% Off Your Purchase at Dillard's

Use This Dillard's Coupon Code to Get 24% Off Any Order

  • saves ~$2.00
  • community
Get Code
Dockers20% off

Get 20% Off Storewide at Dockers

Shop storewide at Dockers and get 20% off with this discount code.

  • community
Get Code
J.Crew60% off

60% Off Clearance Items at J.Crew

Shop J.Crew clearance items and save 60% with this discount code.

  • saves ~$75.25
  • sitewide
Get Code
prAna15% off

Extra 15% Off Sitewide at Prana

Shop sitewide at Prana and get an extra 15% off with this coupon code.

  • community
Get Code
Fanka10% off

Take 10% Off Your Fanka Order

Save 10% on your Fanka order when you use this code.

  • saves ~$17.50
  • community
Get Code
SHEFITFree shipping

VIP SHE Rewards Tier: Earn 1.5 Points Per Dollar After Spending $500

Reach the VIP SHE tier by spending $500 with SHEFIT to earn 1.5 points per dollar on eligible purchases, enjoy free shipping and free returns, and receive a 50-point tier entry reward as part of your member benefits.

  • store issued
Get Deal
Salt Life25% off

Mens Boardshorts: 25% Off Select Styles

Salt Life is offering automatic 25% savings on select mens boardshorts. Eligible styles show sale prices directly on the product listing, including boardshorts reduced from their regular prices.

  • store issued
Get Deal
Edikted10% off

Get Extra 10% Off Sitewide in the Edikted App

Download and shop through the Edikted app and use this code to get an extra 10% off eligible sitewide purchases in the app.

  • saves ~$11.54
  • sitewide
Get Code
Isabel MarantFree delivery

Get Free Standard Delivery on US Orders Over $500

Enjoy free standard delivery on US orders of $500 or more. The shipping discount is applied automatically at checkout when your cart meets the minimum.

  • store issued
Get Deal
Jessica London$50 off

$50 Off $100+ Orders at Jessica London

Take $50 off your Jessica London order of $100 or more on in-stock merchandise with this coupon code.

  • saves ~$52.50
  • store issued
Get Code
Muscle Nation20% off

Get 20% Off at Muscle Nation

Take 20% off your Muscle Nation order when you use this promo code.

  • saves ~$21.41
  • store issued
Get Code

Trending Searches

AbtESR GearMoroccanoilNasty GalZales OutletNatoriVonHausBathmateWilkoMisen