We confirm every code and deal on this page on Knix's own pages and in posts about it, and each says when. 30 of 30 still work — the rest are listed below with the date they stopped.
Tier 2 members receive free standard shipping with no minimum purchase amount.
For orders within Canada and the US, excluding territories. Tier 2 requires $350+ annual spend.
Knix advertises free standard shipping for orders over $100.
Buy 3 or more eligible styles to save 15%, 5 or more to save 20%, or 7 or more to save 25%. The discount is applied automatically at checkout.
Offer valid for a limited time on select styles on knix.com while supplies last. Excludes already marked-down items and Last Call items. Exclusions apply.
Applies to the Welcome Code Collection. Styles include Mulberry/Pink Stripe, Blue Stripe, Blue Stripe Polka Dot, Periwinkle, and Black.
Applies to the WingWoman Contour Bra. Must purchase two bras at checkout.
New customers can use the code after signing up for the newsletter.
Knix advertises a $20 referral reward with its Refer a Friend offer.
Tier 1 members receive a $5 standard shipping rate on qualifying orders.
For orders within Canada and the US, excluding territories.
The site advertises free Overnight Reusable Pads when you spend $150.
The offer is advertised for bra purchases on Knix’s site.
The FreeFlex Demi Bra product page advertises a 10% saving when you make a set.
The site advertises this discount on Knix HQ Picks, including the Modal Rib Collection.
Knix advertises markdowns on activewear in its sales and offers menu.
Knix advertises Last Call markdowns across its sale selection.
Join Club Knix to earn points and redeem them for rewards.
Save 78% on a supportive front-zip sports bra.
See it on Knix
Our estimate of when Knix's biggest discounts of the year happen, month by month. November is the month to wait for.
Start with the one verified most recently, not the biggest number.
Select the cart icon to slide the cart drawer over the page. Then choose the option to continue to checkout.
On the checkout page, open the promo code section to reveal the promo code field. Enter your code in the promo code field and select the apply button.
If Knix shows "Enter a valid discount code or gift card", the code did not work — tell us, and a code shoppers report as failing moves to the bottom of the list.
Member-only shopping event with exclusive offers and early access for Club Knix loyalty members.
11.11 shopping event with sitewide deals.
The biggest markdown event of the year across bras, underwear, sleep and activewear.
Online-only deals following Black Friday.
Six questions people actually ask us.
Yes. Points credited to your account are decreased or reversed if part or all of the purchase is returned or cancelled.
The Knix rewards page lists 250 points for $10 off. You choose the number of points to redeem at checkout while logged in to your rewards account.
Knix VIP Tier 1 (Champion, $0–$349 annual spend) gets $5 standard shipping on orders within Canada and the US, excluding territories. Knix VIP Tier 2 (Passionate Badass, $350+ annual spend) gets free standard shipping with no minimum, and tier benefits can only be redeemed on the Knix site.
Once an order is placed, Knix cannot guarantee address updates, order changes or cancellations.
Tiers are based on dollars spent over a rolling 12-month period on Knix.com, Knix.ca, or in a Knix retail store in the US or Canada. You must be logged in to your rewards account before completing qualifying purchases.
Birthday rewards are for personal use only, and no more than 10 can be shipped to any one shipping address per year.
Knix and the Knix logo are trademarks of their owner, shown here solely to identify the store and its offers. Couponly is an independent service and is not affiliated with, endorsed by, or sponsored by Knix. We may earn a commission when you shop through our links. See our Terms.
