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Ultra Leakproof Zones+® High Rise - Last Call

$23.40 USD

$39.00

40% off

Max absorbency level

Absorbs about 9 super tampons

Invisible under clothes

Extra long liner

Machine washable

Sarah has 38.5” hips, and wearing KNIX M

Sarah has 38.5” hips, and wearing KNIX M

Sarah has 38.5” hips, and wearing KNIX M

Clementine has 51” hips, and wearing KNIX XXL

Clementine has 51” hips, and wearing KNIX XXL

Made with soft, stretchy fabric that’s quick dry for your comfort

Designed with extra long protective coverage in the front & back

Washes just like regular underwear

Sarah has 38.5” hips, and wearing KNIX M

Color: Warm Sand

Size:

True to Size

Size:

Size and Fit Guide

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.

Last Call Return Policy

Sale & Last Call

Our Sale Policy

Here's how returns and exchanges work for sale items.

  • Items discounted up to 30% are eligible for a size exchange or store credit
  • Items discounted above 30% are final sale. No refunds, store credits, or exchanges
  • Not sure where your item lands? Chat with us and we'll check for you

Still have questions? View our full policy here.

Rewards Members Earn 23 Points

"If you have a heavier flow, the Ultra Leakproof Zones+ High Rise is one of our favorite styles for day one of your bleed."

- StyleCaster

Product Description

Stay protected with confidence on your heaviest days with the Knix Ultra Leakproof Zones+® High Rise, engineered with an extended internal liner and advanced 360 LeakSeal™ technology to absorb approximately 9 super tampons’ worth of liquid while delivering comfortable, full‑coverage support that sits at the natural waist and stays invisible under clothes. Made from soft, quick‑dry, buttery‑soft fabric, this high‑rise silhouette offers medium hip and bum coverage with a smooth, seamless feel that’s ideal for everyday wear, heavy flow, or light bladder leaks — all machine‑washable and designed for dependable leakproof performance you can trust.

Comfort-First Fit

High-rise silhouette sits at your natural waist and offers medium coverage for the bum, combining comfort with a flattering fit.

Worry-Free Protection

Features an extra-long liner that runs high in the front and up the back. Patented 360 LeakSeal™ technology provides leakproof protection at every edge.

Ultra Absorbency

Absorbs 9 super tampons worth of liquid—great for heavy flow days, overnight protection, and light bladder leaks.

No-Show Style

Made from our signature buttery-soft PerformaStretch® fabric, it appears invisible under clothing.

Easy to Wash

Machine washable just like regular underwear.

Zoom

Sarah has 38.5” hips, and wearing KNIX M | Warm Sand
| Warm Sand
Sarah has 38.5” hips, and wearing KNIX M | Warm Sand
Sarah has 38.5” hips, and wearing KNIX M | Warm Sand
Clementine has 51” hips, and wearing KNIX XXL  | Warm Sand
Clementine has 51” hips, and wearing KNIX XXL  | Warm Sand
Made with soft, stretchy fabric that’s quick dry for your comfort | General
Designed with extra long protective coverage in the front & back | General
Washes just like regular underwear | 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
FRESH FIX TECHNOLOGY®

Built-in protection that feels like nothing at all.

Absorbs about 7-9 super tampons worth of liquid.

Soft Top Layer

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

4.1
Rated 4.1 out of 5 stars
Based on 1,109 reviews
Total 5 star reviews: 660 Total 4 star reviews: 148 Total 3 star reviews: 114 Total 2 star reviews: 75 Total 1 star reviews: 112
What our customers are saying
Customers say these leakproof underwear provide excellent protection for periods and incontinence. Many reviews mention the comfort and absorbency, with users appreciating the confidence they provide for heavy days and overnight use. Common feedback includes praise for the soft material and secure fit. However, some find the extended padding up the back bulky or diaper-like. Reviews are mixed on sizing, with several noting inconsistencies or fit issues. While most customers love the protection and plan to purchase more, some prefer lighter options for everyday wear.
76%would recommend this product
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Rating
Ratings
1,109 reviews
  • Rated 5 out of 5 stars
    4 minutes ago
    5 Stars

    Work perfectly!

    Adorable🥰
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 3 out of 5 stars
    3 days ago
    Could be better

    They're ok, but could fit better and with so much absorbency could also have more in the actual crotch.

    kristi e.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 1 out of 5 stars
    3 days ago
    BEWARE of sale items

    First time customer. I purchased 5 pair of underwear on sale, which did not fit. They appatently are not true to sex and run small. I cannot exchange them or return them because they were ON SALE. Had I known this I would have never purchased anything from this company. Not recommended.

    Patricia T.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 2 out of 5 stars
    5 days ago
    My last pair just purchased

    Prefer cotton and these fit funny?

    Julie P.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 5 out of 5 stars
    5 days ago
    Ultra Leakproof Zones +High Rise

    Absorbency is more effective with longer liner. Not as uncomfortable as preconceived, although it may take time to acclimate.

    Kathleen H.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 3 out of 5 stars
    6 days ago
    Great for blending but makes me sweat

    The back coverage is not what i was expecting and im not the biggest fan of these. Great for periods not if you get swass lol

    Samantha K.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 4 out of 5 stars
    1 week ago
    Thicker than I expected

    The size was ok. Fabric was thicker than I expected. Good for wearing during trips and travel or hot days as it holds leaks for 12 hours easily. If wearing poise I would use a level 3 pad just to allow people to understand the absorbency. More comfortable than wearing a pad.

    Ana G.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 2 out of 5 stars
    1 week ago
    Good in Theory

    Like the idea of extra protection but not executed great. I can see if liquid is distributed across the entire gusset it could hold as much as it says, but that isn’t really practical when you’re standing all day and it leaks through the crotch area.

    Michelle S.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 5 out of 5 stars
    1 week ago
    5 Stars

    They are great panties. Don’t hesitate to buy

    Sharon
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 3 out of 5 stars
    1 week ago
    High hopes but not high enough

    I wish I could adjust the leakproof pad to go more up the front and less completely up the backside. Did not meet the need of this level of protection.

    Caroline R.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 5 out of 5 stars
    1 week ago
    First Timer

    Comfy and feeling of security

    Terri B.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call
  • Rated 5 out of 5 stars
    2 weeks ago
    Underwear

    They are comfortable

    Cathy S.
    Verified Buyer
    Reviewing
    Ultra Leakproof Zones+® High Rise - Last Call

Your questions, answered.