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Super Leakproof® No-Show Thong
New & Improved
Super Leakproof® No-Show Thong
$29.00
USD
Buy 3+ Save 15%, Buy 5+ Save 20%
Now absorbs about 4 super tampons
1.5" added to gusset for extra protection
Invisible under clothes
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
Super Leakproof® No-Show Thong
Super Leakproof® No-Show Thong
Super Leakproof® No-Show Thong
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Product Description
Comfort-First Fit
Thong style with a mid-rise fit and minimal bum coverage.
Worry-Free Protection
Our newest leakproof innovation provides more absorbency without the bulk. Patented 360 LeakSeal™ technology locks in leaks at every edge.
Moderate Absorbency
Absorbs 4 super tampons worth of liquid—perfect for heavy flow days, overnight protection, and light bladder leaks.
No More Panty Lines
Easy to Wash
Machine washable just like regular underwear.
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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
Built-in protection that feels like nothing at all
Our original Fresh Fix Technology® features a built-in absorbent liner absorbing about 3-6 super tampons worth of liquid so you feel fresh and in-control.
Soft Top Layer
Middle Layer
Leakproof Layer
Bottom Layer
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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: 1.4k Total 4 star reviews: 249 Total 3 star reviews: 108 Total 2 star reviews: 62 Total 1 star reviews: 95
89%would recommend these products
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1,870 reviews
- Rated 5 out of 5 starsYesterdayI am in love
I will never go back. I fell in love with period underwear. The only thing is I had to order again because they fit a little small. I am usually a medium and had to order large.
But other than that they are perfection. I don't feel them at all and I even want to start wearing them even if I am not on my period, they are THAT comfortable. I wear them with a cup so these are perfect for a light/mild flow.
Stéphanie H.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars3 days agoWould buy again!
I was very interested in how well the thong would work. Absolutely the same as the bikini/briefs. I wore the thong to the gym and had no problems even with all my movements. I need to buy 6 more!
Melanie L.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars5 days agoFinally no diaper look
The other models feel like I’m wearing a diaper and these don’t.
Christine E.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 week agoStocking up on more!
Tried these for a full period cycle and LOVED them. Immediately ordering more!
Kate S.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 week agoObsessed!
I've been hunting everywhere for a period thong, and these are PERFECT! I feel protected during my period days, and these are some comfortable. I will absolutely be purchasing more of these, and I would highly recommend them.
Haydn W.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars2 weeks agoCute & effective
These are cute & effective. They are great for periods and bladder leaks.
Sharon S.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars2 weeks agoJob done well
No show panty line.
No leaks.
All well in these undies.
CharlotteVerified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars2 weeks agoFantastic Thong
I have purchased several leak proof panties including thongs from other companies before I knew about Knix.
I found my Knix thong to not show under my yoga pants at all and really comfortable. They did absorb leaks well and I was very pleased with my Knix thong!
Marci S.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 month agoGreat product. Perfect for heavy workout sessions
I like these thongs because they absorb swat for active workouts. They do the job.
Jacqui G.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 month agoThese are amazing!!
I love these panties!!! I’ve been a loyal customer since day one. I will NEVER wear anything else.
Seven W.Verified BuyerReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 month ago5 Stars
Beautiful. Thin. Feels like regular underwear.
BrittanyReviewingSuper Leakproof® No-Show Thong - Rated 5 out of 5 stars1 month agoLove for everyday!
I'm in my 50s, and so is my pelvic floor. These are an amazing solution to not having to wear a panty liner every day!
Bethany A.Verified BuyerReviewingSuper Leakproof® No-Show Thong
