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Light Leakproof No-Show Bikini
Light Leakproof No-Show Bikini
$25.00
USD
Buy 3+ Save 15%, Buy 5+ Save 20%
Absorbs about 1 regular tampon
Invisible under clothes
Perfect for daily wear
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
Light Leakproof No-Show Bikini
Light Leakproof No-Show Bikini
Light Leakproof No-Show Bikini
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Product Description
Comfort-First Fit
Bikini silhouette with a classic mid-rise fit, medium hip and bum coverage.
Worry-Free Protection
Our original leakproof technology provides a barely noticeable feel. Patented bonded edges help prevent side leaks.
Light Absorbency
Absorbs 1 regular tampon worth of liquid—perfect for light flow days, sweat and discharge, and backup protection for heavy flow days.
No-Show Style
Buttery-soft and smooth fabric gives a seamless look and feel. Disappears under clothes, even leggings.
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 1 regular tampon worth of liquid so you feel fresh and in-control.
Soft Top Layer
Middle Layer
Leakproof 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: 4.8k Total 4 star reviews: 883 Total 3 star reviews: 358 Total 2 star reviews: 191 Total 1 star reviews: 198
What our customers are saying
Generated by AI from 100 most recent customer reviews
Last updated 3 days ago
Customers say these underwear are incredibly comfortable and feel like wearing nothing at all. Many appreciate the soft, butter-like fabric and no-show design that works well under tight clothing without visible panty lines. Users find them effective for light protection during periods, spotting, or minor bladder leaks, with many praising the confidence they provide for daily wear. Common feedback includes that they run small, with several reviewers recommending sizing up for better fit. Some mention the absorbent area could extend higher in the front for better coverage. While most love the comfort and functionality, a few note issues with side leakage or fabric breathability.
91%would recommend these products
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6,413 reviews
- Rated 5 out of 5 starsYesterdayComfortable
Nice fit luv the smooth feeling on my skin.
Sandra C.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars4 days agoThe Best
Best underwear I have ever worn!
Jessica T.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars4 days agoGreat!
So happy with this purchase. Comfortable and effective.
LLMVerified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars1 week agoLove them!
These are better than I expected! So comfortable and they look and feel great. I’m considering replacing all my underwear with these lol.
Johanna R.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars1 week agoLove
My favorite line of defense from the occasional bladder leaks; comfy & inconspicuous
Bonny B.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars1 week agoPerfect protection
These panties are wonderful! Perfect for light bladder leakage and extremely comfortable!
Jane B.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars1 week ago5 Stars
Love
KatieReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars1 week ago5 Stars
Love
KatieReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars2 weeks agoSo comfy!
It is so light and comfy!
Kristine T.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars2 weeks agosecond order
ordered a second time . Love my knix.
Christine V.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 1 out of 5 stars2 weeks agoNot effective
Hardly any period protection
Ashley L.Verified BuyerReviewingLight Leakproof No-Show Bikini - Rated 5 out of 5 stars2 weeks agoBought a second pack
Lightweight, no lines, absorbent & quick to dry!
Tanya F.Verified BuyerReviewingLight Leakproof No-Show Bikini 3-Pack
