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The Scarlet Period High-Waisted Brief is the perfect all-round period underwear for every day of your cycle.
Versatile period underwear for all-cycle wear, offering full coverage and reliable protection on moderate flow days.
Cute Scarlet branded waistband
Scarlet High-Waisted Period Underwear can absorb 5 teaspoons of fluid (which is roughly equal to 3 regular tampons or 2 regular pads).
Find your best Scarlet underwear size
Scarlet Period Underwear Absorbency Guide

Scarlet Period High-Waisted Brief

Moderate

eqv. 3 tampons

Wear-everywhere period undies to take you from day one to day dot of your cycle. Enjoy trusty full coverage on moderate flow days. 

  • Fast-absorbing
    Fast-absorbing
  • Leak-proof
    Leak-proof
  • Comfy & Body safe
    Comfy & Body safe
  • Machine washable
    Machine washable
  • Odour-free
    Odour free
  • Stylish & Discreet
    Stylish & Discreet
Upgrade your order
Keep your undies safe with a Scarlet Period Laundry Bag +$10
ADD TO ORDER
Item will be included
Shop now to try risk-free for 30 days

We promise you'll love them or we'll give your money back!

DETAILS

The Scarlet Period High-Waisted Brief is the perfect all-rounder. Featuring a quick-drying thin but absorbent built-in gusset that doesn't feel wet or bulky in a comfy high-waisted style, they deliver full coverage period protection during moderate flow days. 

With super soft, superior modal cotton and multi-layered leak-proof technology, they absorb up to 5 teaspoons of fluid (which is roughly equal to 3 regular tampons or 2 regular pads).

Scarlet Period Magnesium+ Spray
Moderate
NEED TO KNOW

Machine washable and reusable, they’re an eco-friendly and cost-effective alternative to disposable pads and tampons. 

After use, rinse in cold water until it runs clear. Machine wash cold with mild detergent, do not use bleach or fabric softener. Line dry or tumble dry on low.

MADE FROM

45% Modal, 45% Cotton, 10% Spandex, and a Polyester Quick Dry Gusset. Free from chemical treatments.

GOOD FOR YOU & THE PLANET

Harder working than disposable pads and tampons, our Period Underwear lasts for years not hours. 

Did you know more than 12 *billion* pads and 7 *billion* tampons are thrown out every year. The average person with a period uses 11,000 pads, tampons and panty liners in their lifetime. By switching to Scarlet, you're supporting a period and planet positive future.

Scarlet is a proud member of 1% for the Planet, joining a global community of brands and individuals giving back to the environment.

REVIEWS
Reviews
IN THE MEDIA
IN THE PRESS

Voted the most comfortable period undies you’ll ever own (by us)

The comfiest undies to wear beneath high-waisted pants, jeans and skirts. (We checked.)

Our High-Waisted Brief provides full coverage on moderate flow days. It's made from our buttery soft and breathable modal cotton, so there's no unwanted sagging, digging in or sweating.

Feel and look like normal underwear
Zero leaks, zero worries
Comfy high-waisted style (great for bloating!)
Super soft, superior modal cotton
Absorbs the equivalent of 3 tampons or 2 pads
ORDER NOW

Your questions, answered

HOW DO THEY WORK?

Scarlet Period Underwear is designed to fit like normal underwear, and feature a multi-layered leak-proof technology that wicks away moisture, absorbs and contains fluid to keep you dry and protected. 

The built in leak-proof technology is harder working than disposable pads which means it can safely hold more liquid, and last for years not hours.

Loved by all, you can read some reviews.

WHAT DOES THE ABSORBENCY LEVELS MEAN?

When it comes to our periods, every flow is different. Heck, every day is different. Which is why we have a range of absorbency levels to suit. Use this as a guide to get the right fit for your flow, so you'll never stress about leaking on the train again.

Super Light: Holds up to 1 teaspoon, which is just a bit less than 1 regular tampon. Think of it as a new-age panty liner, so it’s great for spotting as well as light leaks and discharge. Try: Invisible Thong

Light: Holds up to 3 teaspoons, which is equal to 2 regular tampons or 1 pad. This is for light days to save you from pesky drips, discharge, and lighter flows. Try: G-String, Bikini Brief in Light or Swim range

Moderate: Holds up to 5 teaspoons, which is equal to 3 regular tampons or 2 pads. Go for this on your moderate dates, or as extra defence on heavy days with our Period Cup. Try: High-Waisted Brief or Bikini Brief in Moderate

Heavy: Holds up to 7 teaspoons, which is around 4 regular tampons or 3 pads. It’s our heavy hitter, making them great for full flow days and overnight. Try: Boyshort or Period Cup

DO I NEED TO WEAR A CUP, TAMPON OR LINER TOO?

Depending on the absorbency level you choose and the heaviness of your flow, you can wear our period panties on their own or as backup protection along with a Period Cup.

On heavy days, we recommend travelling with a water-resistant travel bag such as the Toiletry Bag, along with a spare pair, so you can change them if needed, pop them straight away and rinse (if you CBF) when you get home.

And if you are feeling Cup curious, you can click to learn more about how Period Cups work. They’re really not as scary as you think!

DO I HAVE TO WASH THEM ASAP AFTER USE?

Nope – who’s that organised? That’s why our Laundry Bag is ace – simply throw your used pair into the bag and store for when you have a full load. Some people like to give them a quick rinse in the shower before popping into the bag, and others don’t. It won’t affect the lifespan of your underwear.

Once you are ready, simply toss them in on a cold wash cycle with mild detergent (no bleach!). DW, your other clothes will be just fine! 

For drying, we recommend air or line drying after washing – it's the VIP treatment for those absorbency layers. And if you must tumble dry, only bring LOW heat (double check, cause who has ever decoded dryer hieroglyphics?!).

TIP: if it’s your first wear, pop them in the washing machine with your next cold cycle - washing them before wearing activates their absorbency even more.

Click to read more about how Period Underwear works

WHAT IS YOUR 30-DAY RISK-FREE TRIAL? 

This is a new way to period, and we understand fit may take a couple of goes to get into the swing of things. So, we have a 30-day risk-free trial to support you to find the perfect pair. Basically, if it’s your first time shopping with us and you’re not happy with your product, you may be eligible to claim a refund on that product, even if it’s used. Just email us at support@scarletperiod.com.

HOW DO I PICK THE RIGHT SIZE FOR ME?

We get it — sizing for bottoms is anything but standardised. Which is why this size guide will help break it down for you. For extra ass-urance, make sure to whip out your trusty measuring tape. (Most likely stashed at the bottom of your junk drawer.) 

Make sure to check both our numeric or letter sizing so no confusion (ie. Our large is a 12). And when in doubt, we advise to size up.

Still confused? Click for more information on our Returns Policy and our 30-Day Trial Policy. You can also email us at support@scarletperiod.com.

"I love the high waist, I feel supported and cosy and completely protected."

Raffy L.

"Sizing is spot on, material is beautiful and they're comfy AF. These look and feel great when you don't."

Maggie C.

"I've got my whole period cycle covered with scarlet undies. And extra just in case."

Sherina C.

"Shipping was great! it came within a couple days after buying - super fast and efficient."

Moo W.

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