Luxe Modal Leakproof Sleep Boxer
Luxe Modal Leakproof Sleep Boxer
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.
Designed with a cloud-soft modal fabric blend and shadow-sheer waistband detailing, this Leakproof Sleep Boxer lets you rest easy without worry of leaks.
• High rise silhouette
• Extra hip & bum coverage
• Absorbs about 3 regular tampons’ worth of period blood
• Quick dry, odor reducing gusset
• Lightweight, naturally breathable, super soft modal fabric
• Non-digging shadow-sheer waistband
🇨🇦 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.
- LindaVerified BuyerPant Size 14Size Purchased XLUsage Light Bladder Leaks1 week agoPant Size 14Size Purchased XLUsage Light Bladder LeaksRated 5 out of 5 starsLove these!
I have a few different types of Knix and this is my favorite. Great length under everything! My only complaint is please give us more colors like more nude colors to wear under white pants. I know they are called "sleep" but I wear them all day long.
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? - ERINVerified ReviewerHeight <5’5”Pant Size 10Pant Size Purchased XLUsage Period Back-Up1 week agoHeight <5’5”Pant Size 10Pant Size Purchased XLUsage Period Back-UpRated 5 out of 5 starsThe best
These are one of my favourite knix items/underwear in general. I love them for sleep and every day, soft, breathable, durable and so comfy. And doesn't feel large or bulky at all.
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? - Melanie A. E.Verified BuyerPant Size 20Size Purchased XXLUsage Light Bladder Leaks2 weeks agoPant Size 20Size Purchased XXLUsage Light Bladder LeaksRated 5 out of 5 starsSame review on pair #3
Super comfortable material. Great fit, wonderful for bladder leaks and hot flash sweat! Just ordered more! They don't roll up on the legs and the waist doesn't roll down as some others have described. Band on waist is comfortable as well.
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?
