Super Leakproof® No-Show Boyshort
Mix & Match: 3+ for $25 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 super leakproof technology is great for heavy days and worry-free protection.
• Absorbs about the same as 4 super tampons or 2 regular pads worth of liquid.
• Switch from relying on disposable products and stop worrying about leaks.
• Patented bonded edges help prevent against side leaks.
• Modal top layer of the liner helps move moisture away from your skin.
• These underwear feature our signature buttery soft fabric that is invisible under clothes, including workout leggings.
• Machine washable just like regular underwear.
Get the protection you want from periods and light bladder leaks while feeling comfortable and worry-free.
• Extra coverage through the hip & bum
• Mid-rise silhouette
• Built-in liner, 9" long
• Absorbs the same as about 1.5 regular pads or 3.5 super tampons
• Quick dry extended gusset
• Soft, stretchy PerformaStretch® fabric
• Conforms to your body
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.
- Casey C.Verified BuyerYesterdayRated 5 out of 5 starsBest underwear, hands down
I have completely replaced my underwear with Knix. After having 2 kids, the bladder leakage issues can lead to embarrassing moments. These underwear have saved me so many times. I love the coverage and fit of the boy shorts.
Was this helpful? - Casey C.Verified BuyerPant Size 8Size Purchased MUsage Light Bladder LeaksYesterdayPant Size 8Size Purchased MUsage Light Bladder LeaksRated 5 out of 5 starsThe best underwear
I have completely replaced my underwear with Knix. After having 2 kids, the bladder leakage issues can lead to embarrassing moments. These underwear have saved me so many times. I love the coverage and fit of the boy shorts. I wish they weren’t so pricey, but they are worth it.
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? - Carolyn G.Verified Buyer3 days agoRated 5 out of 5 starsKnix Boy Shorts
I love this style a lot. They fit fine and zi love the security of the pad in the middle. Especially for those days when you get a little leak. Thank God for Knix!!!!
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