Ultra Leakproof Zones+® Bikini
Mix & Match: 3+ for $33 each
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 17-21” 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.
Within 30 days of delivery, you may exchange for another size, style or store credit. We’re unable to provide refunds on underwear.
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, Super Leakproof® Dream Boxer, 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.
- Laura H.Verified BuyerPant Size Purchased XLUsage Light Bladder Leaks10 hours agoPant Size Purchased XLUsage Light Bladder LeaksRated 5 out of 5 starsgreat undies
comfy just a bit smaller than I thought they'd be
ComfortRated 4.0 on a scale of 1 to 5Poor ExcellentEffectivenessRated 5.0 on a scale of 1 to 5Poor ExcellentFitRated -1.0 on a scale of minus 2 to 2Runs Small True to Size Runs LargeEase of UseRated 4.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - Stacie N.Verified BuyerPant Size 8Size Purchased MUsage Primary Period Protection1 week agoPant Size 8Size Purchased MUsage Primary Period ProtectionRated 5 out of 5 starsWorks great!
Bought these for my daughter. She loves them for overnight and heavy days. Very comfortable!
ComfortRated 5.0 on a scale of 1 to 5Poor ExcellentEffectivenessRated 5.0 on a scale of 1 to 5Poor ExcellentSizingRated 0.0 on a scale of minus 2 to 2Runs Small True to Size Runs LargeWas this helpful? - Charlene B.Verified BuyerHeight 5’9 – 5’11”Pant Size 10Pant Size Purchased XSUsage Period Back-Up2 weeks agoHeight 5’9 – 5’11”Pant Size 10Pant Size Purchased XSUsage Period Back-UpRated 5 out of 5 starsZones leakproof
Works well for all coverage and comfortable for sitting
ComfortRated 4.0 on a scale of 1 to 5Poor ExcellentEffectivenessRated 5.0 on a scale of 1 to 5Poor ExcellentFitRated -1.0 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?
