• Multi-tasking 

    period-proof and pee-proof underwear

  • Absorbs at least 50ml – more than five super tampons worth!
  • Plastic-free and eco-friendly
  • Independently lab-verified leakproof and odour-resistant 
  • Advanced stretch fabric with tummy-tuck support 
  • Machine washable and dryer safe


*Discount applied automatically at checkout Click for details


*Discount applied automatically at checkout
Regular price
Sale price
Unit price
Tax included.
- +



✓ Multi-tasking period-proof and pee-proof underwear

✓ Absorbs at least 50ml – more than

five super tampons worth


✓ Plastic-free and eco-friendly

✓ Independently lab-verified leakproof and odour-resistant

✓ Advanced stretch fabric with tummy-tuck support

✓ Machine washable and dryer safe


Just’nCase Full Briefs with Extra Absorbency are perfect for

heavy periods

, post-baby bleeding and light to moderate bladder leakage. Read reviews here.

Available in black or beige, they look, feel and fit just like ordinary briefs, but with the bonus of a slightly thicker (4mm) super-absorbent leakproof panel – providing extra reassurance for heavy period days and moderate leakage. 

What sets them apart from other absorbent underwear is Confitex’s patented plastic-free textile technology, which has been lab-verified hyper-absorbent, leakproof, odour-resistant, breathable and durable. Read more on our blog.

Why choose Just’nCase? 

✓ Proven absorbency and leakproofing – read the lab-test results here

✓ Plastic-free and sustainable 

Comfortable stretch fabric with tummy-tuck support 

✓ Reusable to save you money  

✓ Odour-resistant when worn  

✓ Comfortable, hypoallergenic and gentle on your skin  

✓ Machine washable and tumble dryable  

✓ Discreet design with no external branding  

ACC accredited for accident-related conditions

✓ Easy online order and delivery to your door  

✓ Free shipping within NZ on orders over $140  

✓ Free wash bag with every pair  

First-time user?
Sign up to our newsletter by entering your email at the bottom of this page and get 10% off your next purchase.  

Not sure which Just’nCase briefs are right for you?
Read other women’s experiences and product reviews on our blog.
See how our pee-proof and period-proof pants compare with pads and tampons here.


Kala’s story: My heavy periods 

“I’m a bleeder. I have to change my super tampon every two or three hours on heavy days, sometimes every hour. It’s exhausting and expensive.  

“Over the four days of my period I’d go through about 20 super tampons and 12 pads – and tampons cost a lot!  

I trialed Just’nCase at home. I wore the full briefs on the heaviest day of my period and they were incredible. They completely absorbed the blood and I felt dry, with no leakage from the sides or in my jeans. I checked the odour and they were pretty odour-free, which was also good. I’m amazed that they went through the night with no leakage on the bedsheets. 

“Now I wear them every period – they're all I use. I don’t have to buy pads – I don’t even have to think about them. It’s so liberating!  

“I usually wear the lace ones on my early days and towards the end of my period, when I have lighter bleeding, and I’ll often wear them right through for 24 hours. They’re super comfortable and the shape is really flattering. I actually feel quite sexy in them.  

“I also wear the high cut ones on lighter days – I like that they're quite streamlined and they hold you in a bit across your tummy.  

“Then the full briefs are fantastic for my really heavy days when I need the extra absorbency. They have a slightly thicker absorbent panel than the others, which I find reassuring. You’re asking it to absorb a lot of blood so you want to look at it and feel it can deliver that.  

“The full briefs will comfortably take 12 to 15 hours of heavy bleeding (I would normally have gone through four or five super tampons in that time). I’ll often have a shower in the evening and then put on another pair at night.  

“I just wish I’d known about period underwear sooner. They’re revolutionary. I may never use a tampon again. Hooray!” 


Sarah’s story: Living with wee leaks 

“I was 47 when I started to get regular bladder leakage. I thought it was a condition reserved for older people, maybe over 65 or even 70, who were at an age where the body was in natural decline. 

“The first time I experienced uncontrollable bladder leakage, I was at the supermarket just shopping for fruit when I felt my bladder give and a warm stream start to trickle down my leg. I was able to hold some of it back, but I was so embarrassed I couldn’t bring myself to shop at that supermarket for a long time. 

“Bladder leaks started to happen more and more frequently after that. I became too afraid to go to the gym because any sort of physical exertion seemed to make me pee uncontrollably. My social life suffered as I couldn’t enjoy myself when I was worried about a laugh making me leak. Anything that put even a little bit of pressure on my bladder seemed to make me just go!  

“My doctor suggested I try a brand of reusable, absorbent underwear designed to manage multiple bladder leaks across a day, as a way to make me feel confident to stay active. Confitex was the brand – and to this day, I don’t know what I would have done without them. When I wore them, I stopped being continually anxious and physically stressed and could actually focus on things beyond my bladder leakage. 

Confitex underwear gave me the freedom to get on with what I wanted and needed to do without having to worry about embarrassing leaks. Although they didn’t stop my bladder from giving out, wearing Confitex meant that I knew that my leaks were supported and the more I wore them, the more confident I felt to get stuck in to kegel exercises, socialising and getting physically fit again. Although I still experience the odd leak, I control my bladder more than it controls me.” 


Pat’s story: “I’m not ashamed of being incontinent.”  

“I have shown my Confitex products to my 84-year-old sister and my 60-year-old daughter. Like me, they each had four children and are now suffering from incontinence.   

I use only your products and wear them day and night so I can relax knowing I won’t leak all over the place. The new ones are very comfortable, having the stretchy material rather than the elasticised legs and waistband that used to cut into me a bit. They are far less bulky as well, which means my waistline is slimmer. They’re easier to dry and lighter in weight if you are travelling away from home for more than a few days.   

I’m very happy! Thank you Confitex!   

I’m happy for you to use my feedback, and I don’t mind my name being used. I’m not ashamed of being incontinent. I do kegels every day, go to tai chi twice a week and have a personal trainer at the gym for two 30-minute sessions a week. Like most octogenarians, I am getting a bit less able than before, but I still lead an okay life, watching my grandchildren playing sport every weekend!  

Best wishes, Pat.”  


Emma's comparative review of Confitex's new Just'nCase Full Brief Extra  

Having previously bought Confitex briefs and after recently buying four pairs of the new Just'nCase Extra in Beige and returning to buy another four pairs in Black, Emma was kind enough to provide a comparison:

I have been wearing confitex pants for two years and recently ordered the new Full Brief style
I was extremely pleased to receive the new style underwear for the following reasons:

1. The fabric is elasticised which gives greater comfort.
2. The top is now continuous with the body of the pants which provides far more comfort than the previous elastic waist band.
3. The gusset is narrower and neater fitting and not as bulky.


Just’nCase Full Briefs with Extra Absorbency offer superior protection when you need a little more reassurance – on heavy period days or for moderate bladder leakage.

Independent lab testing shows they absorb the equivalent of five super tampons.

For bladder leakage, Just’nCase Full Briefs offer protection approximately equivalent to single-use pads such as Poise Regular Pads.

On lighter period days, or if you have only light bladder leakage, you may prefer to try our High Cut Briefs with Everyday Absorbency or our Lace Full Briefs with Everyday Absorbency.

If you have little or no bladder control, we’re sorry our underwear will not meet your needs.

To provide transparency and guidance in a largely unregulated industry characterised by unsubstantiated absorbency claims, we commissioned leading international standards laboratory UL to subject our products to stringent testing. Testing showed that Just'nCase Full Briefs with EXTRA Absorbency absorb at least 50ml of liquid at a speed of at least 2.69 ml/sec. (In fact, the total absorbency verified by UL was substantially higher than this, but we have chosen to more accurately reflect the volume that can be accommodated without leakage in a real-life situation that allows for gravity, movement and compression.) Click here for the full results.


Wondering how our underwear compare to disposable pads, liners and tampons? We commissioned independent standards testing laboratory UL* to test them against leading single-use paper products. Here's where they fit on a scale of absorbency.

* The following is a graphic depiction of comparative results based on UL Laboratories testing of Confitex and selected leading brands of single-use absorbent liners and pads undertaken January-April 2020.

Bladder Leakage Comparative Absorbency

Poise liners - Light

Always Discreet Liners - Normal

Tena Liners - Standard

Always Discreet Liner for Bladder Leaks

Lights by Tena - Liners

Poise liners - Regular

Tena liners - Extra long

Up & Up Liners

Poise liners - Extra long

Always Discreet Pads for Bladder Leaks

Poise Daily Liners - Long length

Just ’n Case briefs: Everyday

Lights by Tena - Long liners

Just ’n Case briefs: Extra

Poise pads - regular pads


Just ’n Case briefs: Everyday

equals to 5 Regular tampons

Just ’n Case briefs: extra

equals to 5 super tampons


To work effectively, it’s important that your underwear fits snugly. Although our briefs are made from a forgiving stretch fabric to offer sizing flexibility, we strongly advise that you measure yourself before ordering, rather than just guessing.

Our sizing categories (S, XL etc) are based on international standards and can be used as a general guide, but actual measurements are more likely to result in the perfect fit.

Many of our new customers like to buy one pair to trial in the privacy of their home, then once they know they’ve got the right size and absorbency they come back to buy multiple pairs.

Measure around the widest part of your hips and buttocks, keeping tape parallel with the floor, then consult our chart.



88 - 96 cm

98 - 104 cm

106 - 112 cm

114 - 120 cm

122 - 130 cm



34.5 - 37.5 in

38 - 41 in

41.5 - 44 in

45 - 47.5 in

48 - 51 in

Care instructions


Our absorbent underwear can be machine washed just like your ordinary underwear – and because they contain our patented leakproof textile instead of the layer of PU plastic used by most other brands, you can safely pop them in the tumble dryer without impacting their leakproof performance.

Wash and dry before use to activate full absorbency. Rinse or soak after use then place in the free wash bag they were delivered in and wash on delicate cycle below 40°C/105°F. Do not bleach. Do not add fabric conditioner. Dry away from direct sunlight or tumble dry on low heat. Do not dry clean.


Frequently asked questions

Which level of absorbency do I need?

Just’nCase Full Briefs with Extra Absorbency provide convenience and peace of mind to women experiencing heavy period days, post-baby bleeding or light to medium incontinence. They absorb at least five super tampons’ worth of flow. On your light days, or if you have light bladder leakage you may prefer to try our High Cut Briefs with Everyday Absorbency or our Lace Full Briefs with Everyday Absorbency, which absorb and retain up to five regular tampons’ worth of flow. Some women like to have a few pairs of each on hand so they can wear the lighter version for everyday use, with the option of a higher absorbency at night, when exercising or when they require extra reassurance. If you have little or no bladder control, we’re sorry our underwear will not meet your needs. Please discuss your options with your health professional or carer.

Are they cost effective?

Designed to be worn again and again, Just’nCase briefs can be thrown in the washing machine and tumble dryer and have been lab-tested to withstand as many washing and drying cycles as ordinary underwear. They cost about the same as a pair of designer panties and last just as long. And because you’re not buying tampons, pads or liners as well, you’ll actually save money in the long run! Find out more on our blog.

Why are they better for the planet?

Unlike single-use pads and liners, Just’nCase underwear contain no plastics, making them an environmentally friendly solution to life’s little leaks. They can be washed and reused over and over again, reducing the amount of rubbish you send to landfill, and when you finally do wear them out, the fact that they’re plastic-free means they’ll biodegrade naturally. Find out more on our blog.

What colors are available?

We currently manufacture Just’nCase Full Briefs in black or beige. Our High Cut Briefs and Lace Full Briefs are available only in black.

What sizes are available?

We currently manufacture Just’nCase Full Briefs and Lace Full Briefs in sizes S to 2XL. Our High Cut Briefs are available in sizes XS to XL. See our Size Guide for details.

How long do they take to dry?

Our absorbent underwear can be hand or machine washed just like your ordinary underwear – and because they contain our patented leakproof textile instead of the layer of PU plastic used by most other brands, you can safely pop them in the tumble dryer without impacting their leakproof performance. They can also be dried in an airing closet or on an indoor drying rack. They will take a little longer than ordinary underwear to dry – about the same as a pair of thick cotton sports socks.

Why wouldn’t I keep using pads, liners or tampons instead?

Just’nCase absorbent underwear are an environmentally friendly solution to life’s little leaks, and many women tell us they prefer the convenience and comfort of period and pee-proof panties over single-use alternatives. You won’t be sending wads of plastic-lined pads and liners to the landfill each week, and when you finally do wear them out, they’ll biodegrade naturally because they contain no plastic. Women also tell us they’re saving money by not having to constantly buy pads, liners or tampons, and they prefer the discretion of ordering our underwear online, rather than braving the supermarket checkout. We know our absorbent underwear are life-changing because you tell us so all the time – read some of your stories here.

More questions? See our Frequently Asked Questions section here.

Delivery of your package

For orders over NZ$140 shipping within New Zealand is free.  

For orders under NZ$140 shipping within New Zealand is NZ$6.90

Please allow an estimated delivery time of five working days (items may take longer to get to you during busy periods and public holidays). Please be aware that disruptions to supply chains as a result of Covid-19, which are beyond Confitex’s control, may further impact and delay deliveries. We will do everything we can to get your products to you in a timely fashion.

Orders are sent via Courier Post tracked.  

For deliveries to Australia, USA or UK and Europe please click the flag icon in our website footer to order from your local website.  

Our deliveries arrive in discreet plain paper packaging or courier bags.

Please ensure that you supply us with your full and correct shipping address. Note that a physical street address is required and that PO Box or Private Bag numbers are not accepted.  

Once you have placed your order you will receive a confirmation email. We recommend checking this carefully to make sure the correct items have been ordered.

Due to the intimate, personal nature of Confitex products, for hygiene reasons Confitex cannot offer returns or refunds. Confitex may, however, at its sole discretion, elect to accept a return or refund if the protective hygiene sticker has not been removed and/or reattached. Customers are strongly advised to check suitability and specifications of products before ordering.

In instances where Confitex agrees to exchange the product for another available style, size or absorbency, then with prior agreement the product needs to be returned to Confitex's warehouse (at the Customer’s cost) in its original pristine condition together with wash bag packaging and label within 30 days of delivery of your order.

In instances where, from time to time, products are offered on sale or at discounted prices, all products are final sale and may not be exchanged, returned or refunded for any reason.

For further information read our Frequently Asked Questions or Terms and Conditions.

If you have any queries about Confitex products or your order, please contact us at info@confitex.com.

you may also be interested in

  • Plastic-free, guilt-free washable and reusable nursing pads – order online at justncase.com
    • Just’nCase reusable, washable breast pads

    • Plastic-free and eco-friendly
    • Independently lab-verified leakproof and odour-resistant
    • Won’t scrunch up and slide around in your bra
    • The only nursing pads with a patented GravityDri™ pocket
    • Machine washable and dryer safe for busy mums
    Regular price
    Sale price
    Unit price
  • Shop Now Just'nCase Multi-Tasking Period and Bladder Leakage Underwear - 5 Super Tampons Worth (50ml)
    • Multi-tasking

      pee-proof and period-proof underwear

    • Absorbs at least 50ml – more than five super tampons worth!
    • Plastic-free and eco-friendly
    • Independently lab-verified leakproof and odour-resistant
    • Advanced stretch fabric with tummy-tuck support
    • Machine washable and dryer safe
    Regular price
    Sale price
    Unit price