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Home / High Rise Underwear / Super Leakproof® No-Show High Rise
New & Improved

Super Leakproof® No-Show High Rise

$36.00 USD

Buy 3+ Save 15%, Buy 5+ Save 20%

Now absorbs about 6 super tampons

2" added to gusset for extra protection

Invisible under clothes

Machine washable

Sarah has 38.5” hips and wears KNIX M | Dark Cherry

Sarah has 38.5” hips and wears KNIX M

| Dark Cherry
Sarah has 38.5” hips and wears KNIX M | Dark Cherry

Sarah has 38.5” hips and wears KNIX M

Sarah has 38.5” hips and wears KNIX M | Dark Cherry

Sarah has 38.5” hips and wears KNIX M

| General

Sarah has 38.5” hips and wears KNIX M

Absorbency: Heavy

Heavy
about 4-7 super tampons
Essential
No Absorbency
Light
about 1-3 regular tampons
Moderate
about 2-4 super tampons
Ultra
about 7-11 super tampons

Color: Dark Cherry

Size:

True to Size

•

Size:

Size and Fit Guide

Build Your 3-Pack

Super Leakproof® No-Show High Rise

Color: Dark Cherry

Size:

Size:

Super Leakproof® No-Show High Rise

Color: Dark Cherry

Size:

Size:

Super Leakproof® No-Show High Rise

Color: Dark Cherry

Size:

Size:

Free Shipping on orders $100+

Shipping

Shipping

Processing Timelines

Please allow 1-2 business days for our warehouse team to pack and ship your order. During peak periods such as sales, holidays and product launches, please allow up to 4 business days for us to process your order. Once an order is placed, we cannot guarantee any address updates, order changes or cancellations. Orders placed on Friday after 1PM will not be shipped until the following Monday.


Split Shipments

Most orders will ship from a single warehouse. However, we occasionally ship from a combination of warehouse locations, so you may receive your order in multiple parts. If items from your order ship in separate packages, we’ll send you tracking information for each package when it becomes available.

Delivery Timelines

For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines do not include processing times. See above for details. All transit times are measured in business days which are Monday-Friday, excluding holidays.

Please note, all shipping timelines are estimates and are not guaranteed.

We are not able to ship to US territories (including Puerto Rico, U.S. Virgin Islands, Guam, Northern Mariana Islands and American Samoa) at this time.
First Pair Risk Free for 30 Days

Leakproof Underwear, Risk Free

Returns & Exchanges

New to leakproof? Your first pair is risk free for 30 days. Wear them, wash them, and see how they work for your body. Not right for you? We'll refund the item price (original shipping excluded). Prefer a different size or style? We also offer free exchanges. Just email info@knix.com and we'll take care of you.

Purchased leakproof before? Within 30 days of delivery you can exchange for another size, style, or store credit. We're unable to provide refunds on underwear. If you ordered multiple pairs, please open, wash, and wear one pair only before initiating an exchange.

Still have questions? View our full policy here.
Rewards Members Earn 36 Points

"Knix actually devised a super thin nylon-Spandex pair which is virtually invisible under clothing."

- Business Insider

Product Description

Total security from morning to night. Upgrade your cycle with the Super Leakproof No-Show High Rise, engineered for those who prioritize extra coverage and comfort. The extended gusset provides 360-degree protection against leaks, making it an ideal choice for heavy days or postpartum recovery. Crafted from moisture-wicking, anti-odor fabric, it keeps you dry and fresh without the bulk of a pad. Ditch the disposables for this sustainable, high-performance period solution that flatters your curves and stays in place.

Comfort-First Fit

Sits at the natural waistline and provides medium bum coverage.

Worry-Free Protection

Patented bonded edges help prevent side leaks.

Heavy Absorbency

Absorbs 6 Super tampons worth of liquid—perfect for heavy flow days, overnight protection, and light bladder leaks.

No More Panty Lines

Made from our signature buttery-soft fabric and designed to be invisible under clothes, including leggings.

Easy to Wash

Machine washable just like regular underwear.

Zoom

Sarah has 38.5” hips and wears KNIX M | Dark Cherry
| Dark Cherry
Sarah has 38.5” hips and wears KNIX M | Dark Cherry
Sarah has 38.5” hips and wears KNIX M | Dark Cherry
| General

How to Choose?

Essential

  • • Days you don’t need leak protection. Everyday freshness and moisture wicking.
  • tsp
    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.
  • tsp
    about 8-14 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 4-7 super tampons
  • cup
    about 1.5-3 menstrual cups

Light

  • • Daily freshness. For sweat, discharge, period spotting, or backup protection.
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

  • • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
  • tsp
    about 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    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.
  • tsp
    about 15-20 tsp
  • pad
    about 1.5-2.5 super pads
  • tampon
    about 7-11 super tampons
  • cup
    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

Gently wicks away moisture while keeping you feeling fresh and odor-free.

How to wash

Knix underwear is 100% reusable and machine washable, just like your regular undies. 

  • Rinse

    • Not required. But for best results, you can rinse your leakproof with cold water in the tub or sink before washing.

  • Wash

    • Machine wash on a cold, gentle cycle with mild detergent.

  • Dry

    • For their longest life, air drying is best. Hang or lay flat to dry.

  • Avoid

    • Fabric softeners, bleach, ironing, or heat from the dryer.

    4.6
    Rated 4.6 out of 5 stars
    Based on 6,306 reviews
    Total 5 star reviews: 5k Total 4 star reviews: 682 Total 3 star reviews: 254 Total 2 star reviews: 142 Total 1 star reviews: 201
    What our customers are saying
    Customers say these underwear are exceptionally comfortable, soft, and feel like regular underwear without bulk. They appreciate the smooth, silky material that doesn't show lines under clothing and provides excellent absorption for bladder leaks and periods. Many note the high-rise style offers good coverage and stays in place throughout the day. Users find them durable, maintaining quality after multiple washes over years. Common praise includes the confidence and peace of mind they provide for travel and daily activities. Some mention sizing runs small and recommend going up a size. A few note concerns about recent design changes making them bulkier, and some find insufficient elastic around leg openings. Reviews consistently highlight their effectiveness for various needs from light leaks to heavy flow days.
    92%would recommend these products
    FitRated 0.2 on a scale of minus 2 to 2
    ComfortRated 4.7 on a scale of 1 to 5
    EffectivenessRated 4.6 on a scale of 1 to 5
    Search
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    6,306 reviews
    • Rated 5 out of 5 stars
      3 minutes ago
      High rise

      Great to have while you’re traveling.

      Mlee S.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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    • Rated 5 out of 5 stars
      Yesterday
      Fit well

      I like it better than the first order.

      I will do another order later because the price is high for my budget.

      Nicole C.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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    • Rated 3 out of 5 stars
      Yesterday
      Pretty but uncomfortable

      The high leg cut is not comfortable as it rubs and chafes the groin area.

      Elizabeth W.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
      Was this helpful?
    • Rated 5 out of 5 stars
      Yesterday
      Perfect

      My favorite very much worth the price

      Dorothy W.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise 3-Pack
      Was this helpful?
    • Rated 5 out of 5 stars
      2 days ago
      Love these

      I am very pleased with this purchase. So glad to be rid of bulky pads. These deliver true leakproof protection with comfort and affordability.

      Sandra G.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise 3-Pack
      Was this helpful?
    • Rated 5 out of 5 stars
      3 days ago
      Super Leak-Proof High Rise

      Absolutely the BEST panty I have ever purchased. They are soft and comfortable and worth every penney! They give me a sense of freedom and security that I haven't felt in years!

      Deborah K. B.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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    • Rated 4 out of 5 stars
      4 days ago
      Super leakproof

      Like the fit but prefer the cotton French cut

      Sharen P.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise 3-Pack
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    • Rated 5 out of 5 stars
      6 days ago
      Excellent

      I have worn these for years now and would recommend to anyone that needs protection from minor leaks. Very comfortable, stay in place, no panty lines, great colour choices. Also quite reasonably priced especially on a sale.

      Carole H.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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    • Rated 5 out of 5 stars
      1 week ago
      Great Product

      Love the quality, fit, color choices, packaging, and easy website!!!👏🏻😊❤️

      JoAnna B.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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    • Rated 5 out of 5 stars
      1 week ago
      Perfect for me

      Nicely made and perfect for my needs

      Janet F.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise 3-Pack
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    • Rated 5 out of 5 stars
      1 week ago
      ❤️❤️

      My mom loves them

      Jamie B.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
      Was this helpful?
    • Rated 5 out of 5 stars
      1 week ago
      Good

      Return customer! Needed more

      Nicole S.
      Verified Buyer
      Reviewing
      Super Leakproof® No-Show High Rise
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