Ultra Leakproof Zones+® High Rise
Up to 20% off Select Colors
Knix period underwear and pads are now sales tax-free in Canada.* We celebrate improvements to the accessibility and affordability of essential period care products.
• Our most absorbent underwear and a big breakthrough in leakproof technology.
• Absorbs the same as about 9 super tampons or 4.5 regular pads worth of liquid.
• Features an extra long liner that runs high in the front and all the way up the back.
• Patented leakproof zones provide increased absorbency in the areas you need it most.
• Our patented 360 LeakSeal™ technology provides leak protection at every edge.
• No show bonded edges provide a sleek look that is invisible under clothes.
The ultimate solution for heavy flows and light bladder leaks provides maximum absorbency and confidence.
• Classic mid-rise silhouette
• Medium hip & bum coverage
• Absorbs the same as about 4.5 regular pads or 9 super tampons
• The absorbent gusset is 19.5-22.5” long, with extended coverage in the front and all the way to the back waistband
The fabric is designed to feel snug at first but relax with wash and wear for a perfect fit.🇨🇦 Free standard shipping over $100.
(after discounts, before shipping + taxes) All items ship from within Canada.
Warehouse Sale Policy:
Sale items with a less than 30% discount are exchange or store credit only. Sale items with a discount of 30% or more are final sale. For non-sale items, our standard return policy applies. Offer excludes bundles, sets, kits and gift cards.
Standard Underwear Policy:
Eligible for return or exchange within 30 days of delivery. Packaging may be removed to wash and wear, ensuring a proper fit.
Your leakproof questions, answered.
*Offer valid on select underwear styles on knix.com and knix.ca, while supplies last. When you purchase three or more eligible styles from the same category, you’ll receive the corresponding offer:
Light: 3 for $60
Heavy: 3 for $75
Overnight: 3 for $99
Exclusions: Sale items, Leakproof CoreLove High Rise, Leakproof Modal Rib Boxer Brief, Luxe Modal Leakproof Sleep Boxer, Leakproof Cotton Modal Bikini, Leakproof Cotton Modal High Rise, all Thigh Saver styles.
Discount is automatically applied at checkout and is based on eligible items in your order. No rain checks or price adjustments on previous purchases.
Our Leakproof technology features a built-in absorbent liner. Depending on the style you choose, the absorbency can range from about 1-17 tsp of liquid. The result? Confident protection from sweat, discharge, periods, and light bladder leaks.
*Period underwear and pads are exempt from federal sales tax in Canada. They are also exempt from most provincial / harmonized sales taxes. But are 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: British Columbia and Manitoba: 7% PST; Saskatchewan: 6% PST.
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A gusset is essentially a liner. It’s where you’ll find our leakproof technology. It’s built into the crotch section of the underwear.
- Emma B.Verified BuyerHeight 5’6 – 5’8”Pant Size 12Pant Size Purchased LUsage Primary Period Protection2 days agoHeight 5’6 – 5’8”Pant Size 12Pant Size Purchased LUsage Primary Period ProtectionRated 5 out of 5 starsSuper comfortable and great protection
Very soft, stretchy, and comfortable. I haven’t experienced a leak yet!
ComfortRated 5.0 on a scale of 1 to 5Poor ExcellentEffectivenessRated 5.0 on a scale of 1 to 5Poor ExcellentFitRated 0.0 on a scale of minus 2 to 2Runs Small True to Size Runs LargeEase of UseRated 5.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - Margaret G.Verified BuyerHeight <5’5”Pant Size 12Pant Size Purchased LUsage Light Bladder Leaks3 days agoHeight <5’5”Pant Size 12Pant Size Purchased LUsage Light Bladder LeaksRated 5 out of 5 starsFabulous Knix
I had tried another brand of undies for incontinence and while they fit the criteria, I was blown away by Knix. Much better fit and feel than the other brand and kept me dry! FABULOUS!
ComfortRated 5.0 on a scale of 1 to 5Poor ExcellentEffectivenessRated 5.0 on a scale of 1 to 5Poor ExcellentFitRated 0.0 on a scale of minus 2 to 2Runs Small True to Size Runs LargeEase of UseRated 5.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - Anna5 days agoRated 5 out of 5 stars5 Stars
Very pleased
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