Black Friday - 30% Off
Up to 30% off period undies, swim & more!
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Black Friday Sale - Up to 60% off
*Prices as marked. Exclusions apply. Offer valid from Wednesday, November 20th, 2025 to Monday, December 2, 2025 at 11:59PM PST. Early Access begins Tuesday, November 18, 2025. Offer available in-store and at knixteen.com. Up to 60% off sitewide; excludes gift cards, taxes, and shipping. Applies only to in-stock items and cannot be extended after the listed date. While supplies last; no rain checks. Orders follow Knixteen’s standard order change and cancellation policy. No price adjustments for previous orders. Cannot be combined with any other discount offers. Contact your local store for collection availability. Items discounted 30% and below are eligible for size exchange or store credit. Items discounted above 30% are final sale and are not eligible for refunds, exchanges, or store credit.
“Flash Sale” refers to time-limited promotional pricing, a period set and determined by Knix; “Final Sale” refers to items sold on a non-returnable, non-exchangeable basis.
Period underwear are exempt from federal sales tax in Canada. They are also exempt from most provincial / harmonized sales taxes, subject to the following provincial sales tax rates which will apply to orders shipped to the following provinces and to orders purchased in retail stores located in the following provinces: BC/MB - 7% PST, SK - 6% PST. Exemptions apply to Knix and KT by Knix leakproof underwear and reusable leakproof pads.
Free Shipping available on orders over $80 CAD before tax and after discounts and applies to shipping addresses within Canada. Shipping timelines do not include processing times and are not guaranteed. It may take 1–4 business days to process your order. Contact your local store for collection availability. Knix store locations include Toronto (Queen St, Sherway Gardens, Premium Outlet, Yorkdale), Calgary (Mission, Market Mall), Vancouver (Robson, West 4th, Richmond Centre), Ottawa (Rideau Centre, Westboro), Edmonton (Southgate), Winnipeg (Polo Park). Knixteen may modify or cancel this promotion at any time.
What is your Sale Return Policy?
For items with a 20% or more discount, you may exchange for another item or return for store credit. No refunds can be accommodated.
Items marked as “Flash Sale” or “Clearance” are final sale, meaning no returns, exchanges or refunds can be accommodated. No exceptions.
Please note: Sale items are not eligible for our First Pair Risk-Free Policy.
View our full return and exchange policy here.
Do you offer price adjustments?
Unfortunately, we are unable to adjust the price on previous purchases.