✓ Verified todayAugust 20266 active deals
Last Verified: 7.28.26 - Deals and Links Checked By Trendsicle's Editorial Team.
🏆 Best deal right now
Markdowns up to 60% off across underwear and more right now, plus Buy More Save More bundles and a student discount. No code needed on the sale.
Shop Last Call →Knix leans on a steady rotation of sales rather than promo codes, so the biggest savings come straight from their sale sections. The Last Call sale is running now with up to 60% off leakproof underwear, bras, swim and loungewear, and the Buy More Save More offer stacks up to 20% off when you bundle undies or double up on wireless bras. Everything below is checked against Knix's own site.
On top of the sitewide sales, refer a friend and you both get $20, and verified students save through Knix's student program. Public codes are usually reader reported rather than official, so treat any code as something to test at checkout. Here's how to pay the least on your next Knix order.
Below you'll find every Knix deal we can currently confirm on knix.com, plus four reader reported codes we're still trying to confirm. We never print an unverified code as if it works, so those open knix.com for you to check.
Active Knix deals, August 2026
Knix's Last Call section runs up to 60% off retiring styles and overstock across underwear, bras and swim. It is confirmed on knix.com, the sale price shows in cart, and stock moves quickly.
✓ Up to 60% offNo code neededWhile stock lasts
Knix's Buy More Save More takes 15% off when you buy 3 or more pairs of underwear and 20% off when you buy 5 or more. Mix and match styles, and the discount applies automatically in cart.
✓ 15% at 3+20% at 5+Auto applied
Knix's Double Up and Save lets you pair two of its wireless bras for one bundled price, so the second comes at a discount. Build the bundle on knix.com and the price updates at checkout.
✓ Two bra bundleBundle priceWireless bras
Share your Knix referral link and your friend gets $20 off their first order, then you get $20 in credit once they buy. Grab your link from your Knix account.
✓ Give $20Get $20Account needed
Knix offers a student discount once you verify your student status through its partner. Confirm eligibility and unlock the code from the Knix student offer page.
✓ Student rateVerify statusOn knix.com
User submitted Knix promo codes
?CODE
WELCOME10Reader reported code, unverified.Reveal code →
?CODE
AMANDA15Reader reported code, unverified.Reveal code →
💡 Knix almost never runs a reliable public code, so the reader codes above are unverified. The dependable wins are Last Call, the bundles, and the student and referral perks.
How to get the best Knix deal
1
Start in Last Call for the deepest markdowns, up to 60% off, with no code needed.
2
Stocking up on underwear? Buy 3+ for 15% off or 5+ for 20% off automatically.
3
Need bras? Double up two wireless bras for a bundled price.
4
Students can verify and unlock a student discount on knix.com.
5
Refer a friend so they get $20 off and you get $20 in credit.
💡 Bundle discounts apply on full price underwear, so combine them with a bras or swim pickup for a bigger basket.
About Knix
Knix is an intimate apparel brand founded by Joanna Griffiths, known for its leakproof underwear, comfortable wireless bras, period products and swim, all in an inclusive size range. Pieces are designed for everyday wear, which is why Last Call, the Buy More Save More bundles and the student and referral perks are the everyday ways to save.
Knix vs the competition
A quick look at how Knix stacks up against other leakproof and intimate apparel brands.
| Knix ★ | Thinx | Parade |
|---|
| Best known for | Leakproof underwear and wireless bras | Period underwear | Colorful basics |
| Sizing | Inclusive XS to 4XL | Wide range | Wide range |
| Bundle savings | Up to 20% off underwear | Set discounts | Multi packs |
| Student discount | Yes | Sometimes | Yes |
| Best sale window | Summer and Black Friday | Black Friday | Frequent sales |
💡 Our take: Knix discounts often through Last Call and bundles, so you rarely need to pay full price on basics.
Best months to buy Knix
JanFebMarAprMayJunJul 🔥AugSepOctNov 🔥Dec 🔥
- July (🔥): the Summer Sale and Last Call are live now with up to 60% off.
- September: back to routine restocks often pair with bundle savings.
- November (🔥): Black Friday and Cyber Monday are Knix's biggest discount window of the year.
- December (🔥): holiday gifting deals and ready to give sets.
💡 Last Call runs year round, so there is almost always a markdown even between big sales.
Stack your savings
🔥
Start in Last Call
Shop the up to 60% off section first for the deepest markdowns on retiring styles.
✓
Hit a bundle threshold
Add 3 or 5 pairs of underwear to trigger 15% or 20% off automatically.
🎓
Verify student or refer a friend
Layer a student discount or a $20 referral credit on top where eligible.
💡 Sale terms vary, so if the student offer will not stack on Last Call, use it on full price styles instead.
Knix deal FAQ
Does Knix have a promo code?›
Rarely a public one. The reliable savings are up to 60% off in Last Call, up to 20% off with Buy More Save More, and student and referral perks. The four reader reported codes above are unverified until we can confirm them.
What is the best Knix deal right now?›
Up to 60% off in the Last Call sale, with no code needed. Bundles add up to 20% off underwear on top.
How does Buy More Save More work?›
Buy 3 or more pairs of underwear for 15% off, or 5 or more for 20% off. Mix and match styles and the discount applies automatically in cart.
Does Knix have a student discount?›
Yes. Knix offers a student discount once you verify your student status through its partner, then apply the code at checkout.
How does the Knix referral work?›
Share your referral link and your friend gets $20 off their first order, then you get $20 in credit once they purchase.
Are the reader reported codes real?›
They are unverified reader submissions, so we could not confirm they work. Rather than print a code that may fail, each one opens knix.com so you can check current offers.
The Bottom Line
Knix rarely needs a coupon, because the Last Call sale and the Buy More Save More bundles already do the heavy lifting, with markdowns reaching 60% off. Start there, then stack the referral or student discount if you qualify.
Buying direct keeps returns and exchanges simple, and it's worth checking the sale sections often since Last Call stock rotates. Any reader reported code is worth a quick test at checkout, but the sales are the surer path to a lower price.
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