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SuperPlus Leakproof® No-Show High Rise
Best Seller
SuperPlus Leakproof® No-Show High Rise
$39.00
CAD
Buy 3+ Save 15%, Buy 5+ Save 20%
Absorbs 7-11 super tampons
Front-to-back liner
Bonded seams prevent leaks
Machine washable
Size and Fit Guide
How to Measure
In order to select the correct sizing, we recommend you take the following measurements using a soft tape measure. If necessary, ask someone else to help.
Waist
Measure around the narrowest part of your torso, usually just above your belly button. Keep the tape snug and level, but not tight. The number where it meets is your waist measurement.
Hip
Stand with your feet together and measure around the fullest part of your hips and buttocks. Keep the tape level and snug, but not tight. The number where it meets is your hip measurement.
Build Your 3-Pack
SuperPlus Leakproof® No-Show High Rise
SuperPlus Leakproof® No-Show High Rise
SuperPlus Leakproof® No-Show High Rise
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Product Description
Comfort-First Fit
Ultimate Leakproof Protection
Day & Night Comfort
Machine Washable
Zoom
How to Choose?
Essential
- • Days you don’t need leak protection. Everyday freshness and moisture wicking.
-
0 tsp
Heavy
- • Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.
-
about 8-14 tsp
-
about 1.5-3 regular pads
-
about 4-7 super tampons
-
about 1.5-3 menstrual cups
Light
- • Daily freshness. For sweat, discharge, period spotting, or backup protection.
-
about 1-3 tsp
-
about 1-3 pantyliners
-
about 1-3 regular tampons
-
about 0.5 menstrual cups
Moderate
- • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
-
about 4-8 tsp
-
about 1-1.5 regular pads
-
about 2-4 super tampons
-
about 0.5-3 menstrual cups
Ultra
- • Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, or overnight protection.
-
about 15-20 tsp
-
about 1.5-2.5 super pads
-
about 7-11 super tampons
-
about 2-3 menstrual cups
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PATENTED LEAKPROOF TECHNOLOGY
Our longest, most absorbent liner—ever.
Our original Fresh Fix Technology® features a built-in absorbent liner that soaks up about 7–11 super tampons’ worth of liquid—so you stay fresh, comfortable, and in control.
Soft Top Layer
Middle Layer
Leakproof Layer
Bottom Layer
Recently Viewed
How to wash
Knix underwear is 100% reusable and machine washable, just like your regular undies.
Not required. But for best results, you can rinse your leakproof with cold water in the tub or sink before washing.
Machine wash on a cold, gentle cycle with mild detergent.
For their longest life, air drying is best. Hang or lay flat to dry.
Fabric softeners, bleach, ironing, or heat from the dryer.
Total 5 star reviews: 204 Total 4 star reviews: 26 Total 3 star reviews: 28 Total 2 star reviews: 19 Total 1 star reviews: 26
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 3 weeks ago
Customers say these underwear are comfortable and provide reliable protection. Many praise the full front and back coverage, with frequent comments highlighting their effectiveness for overnight wear and heavy flow. Users appreciate the no-show design under clothing and soft fabric. Common concerns include fit issues around the thigh and leg openings, with some noting the underwear rides up or gaps. A few mention the material feels thicker than expected, and some report leakage despite the protective design. Overall, customers find them a practical alternative to traditional products.
76%would recommend these products
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303 reviews
- Rated 5 out of 5 stars3 minutes agoVery nice!
Very nice and effective
SMSusan M.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars2 days agoNever have to worry!
On heavy days I never have to worry about leakage.
HGHeather G.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise Twilight Navy / M - Rated 5 out of 5 stars4 days agoGood product
Took me a while to use them but they are great
CCCollier C.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars4 days agoGreat high rise panties
Love Knix panties they fit so good and they last and keep you dry not like others that claim that.
EGEridania G.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars5 days agoSuper plus
I still want to know if there is anything in the padding that will show up on X ray when going through security at an airport. The overnight ones I have were an issue for me on a flight home from Utah. I was patted down in my crotch area because of the panties. Please answer this question as I am about to go on another flight. Judy Hoover
*****
JHJudy H.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars5 days agoComfortable fit
These are comfortable and a great alternative to wearing pads
MRMarjorie R.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars5 days agoWish I Tried These Earlier!
So much better than wearing a large overnight pad. Very comfortable.
JJJocelyn J.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise Black / L - Rated 5 out of 5 stars1 week agoGreat product
Works great!
AJAlexis J.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars1 week agoSays it all!!
Perfect
DCDonna C.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise Warm Sand / M - Rated 5 out of 5 stars1 week agoWish I would have had these over the last 20 years!!!!
These superplus leakproof underwear are exactly what I have been needing! I have PCOS and I have a super heavy flow that requires overnight pads through out my cycle. They are very effective and do not leak. I can wear a pair to bed all night and no leaks at all. Overall, they are great for protection and comfort.
BBridgettVerified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars2 weeks agoSurprised!
I didn’t know what to expect, but it works! I feel comfortable and confident during my most vulnerable week. Definitely buying more
ESEmily S.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise - Rated 5 out of 5 stars2 weeks agoOvernight Peace of Mind 💖
I initially tried out the original leak proof underwear but was a little worried about leaking in the front area overnight because I'm often a tummy sleeper when crampy. Once I saw these I grabbed enough to last me for the week and switched all my other underwear over to the everyday wear. So comfy!
JSJenna S.Verified BuyerReviewingSuperPlus Leakproof® No-Show High Rise Twilight Navy / L
