Scarlet Period The Heavy Days Bundle | PFAS-free Boyshort & High-Waisted Brief

Scarlet Period High-Waisted Brief | Leakproof, PFAS-free, Moderate Absorbency

Scarlet Period Boyshort – PFAS-free, Heavy overnight absorbency, Organic Cotton

Scarlet Period The Heavy Days Set

Name: Scarlet Period The Heavy Days Set
Brand: Scarlet
Price: 50.0 AUD
Availability: InStock

$50.00 ~~$58.00~~

Heavy

eqv. 4 tampons

Designed for days when even sneezing feels disastrous, this set will keep you comfortable, confident, and leak-free. Buy the set and save $8.

Chemical-Free & Eco-Friendly
Save with Sets
Leak-Proof & Absorbent
Heavy Flow Protection

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Stores all your goodies, like Cups, wet swimmers, and snacks. +$7 (save $3)

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Makes cleaning both your Period Cup and the rae Heat Pad a breeze. +$5 (save $3)

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Keep your undies safe with a Scarlet Period Laundry Bag +$7 (save $3)

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Add rae Period Pocket Underwear +$14

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Keep your Cup clean and fresh with our gentle wash +$5 (save $5)

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Why You’ll Love It

✨ Complete Heavy Flow Protection: Includes 1 x Boyshort (holds up to 7 tsp) + 1 x High-Waisted Brief (holds up to 5 tsp).

✨ Leak-Proof, Quick-Dry Gussets: Both styles feature an ultra-absorbent gusset with a quick-dry polyester layer to lock in moisture and prevent leaks.

✨ Comfort-First Fits: Relaxed Boyshort for full coverage and a smoothing, supportive High-Waisted Brief - designed to move with you.

✨ PFAS-Free & Eco-Conscious: Thoughtfully designed with safe, sustainable materials for less waste and more peace of mind.

Easy Care, Zero Fuss

✨ Rinse in Cold Water: After wearing, rinse in cold water until it runs clear to keep them fresh.

✨ Machine Wash Cold: Toss them in with mild detergent (no bleach or fabric softener, please).

✨ Dry with Ease: Line dry or tumble on low - no need for extra care.

✨ Need more info? Please read our complete guide to caring for your period underwear here.

Materials & Composition

✨ Soft, Breathable Fabrics: Boyshort made from 95% GOTS-certified Organic Cotton + 5% Spandex; High-Waisted Brief made from a silky-soft blend of 45% Modal, 45% Cotton + 10% Spandex.

✨ Flexible, All-Day Comfort: Both styles include Spandex for gentle stretch that moves with you.

✨ Quick-Dry Leak Protection: Features built-in Polyester/PUL gusset to lock in moisture and keep you feeling fresh.

✨ PFAS-Free & Chemical-Free: No added toxic chemicals (independently lab-tested).

Size & Fit

✨ Fit Note: Our underwear runs on the slightly smaller side - if you're between sizes, size up.

✨ Teen-to-Adult Fit: Our sizing is unique - please refer to both the numerical (e.g. 10, 12) and letter sizing (e.g. M, L) in our guide.

✨ Australian Sizing: We use AU sizes - international customers, check our Size Guide.

✨ Still Unsure? Contact us for advice. We love a chat!

Planet-Friendly Practices

Did you know that over 12 billion pads and 7 billion tampons end up in landfills yearly? By choosing Scarlet, you're supporting a more sustainable future - where self-care and sustainability go hand in hand.

✨ High-Quality, Safe Fabrics: Made with care, free from PFAS and harmful chemicals, and independently lab-tested for your safety.

✨ Eco-Conscious Manufacturing: Crafted with a focus on quality and reducing environmental impact.

✨ Recyclable Packaging: Minimal waste for a cleaner world.

✨ 1% for the Planet: Scarlet is proud to contribute to environmental stewardship with every purchase.

Your questions, answered

HOW DO THEY WORK?

Scarlet Period Underwear is designed to fit like normal underwear and features multi-layered leak-proof technology that wicks away moisture, absorbs fluid, and contains it to keep you dry and protected. Loved by all, you can read some reviews.

WHAT DOES THE ABSORBENCY LEVELS MEAN?

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. Take the time to explore a routine that works for you.

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

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 it 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! You have two options for drying: tumble dry on low or hang them out to dry in the sun.

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.

HOW DO I PICK THE RIGHT SIZE FOR ME?

This size guide will help break it down for you. Please make sure to check both our numeric and letter sizes so there is no confusion (e.g., our large is a 12). When in doubt, we advise you 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.

WHAT IS YOUR 30-DAY RISK-FREE TRIAL?

This is a new way to period, and we understand it may take a couple of goes to get into the swing of things. So, we have a 30-day risk-free trial to help you 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.

Question

The Secret to Better Periods

Scarlet Period Bikini Brief - Available in Light & Moderate

Period Undies

Built-in period tech wicks away moisture to keep you dry and comfy.

Period Cups

The ultimate guide to folding, inserting, and removing your Period Cup.

Learn More

Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist

Period Swim

Period Swim stops your flow from going out and water getting in. genius, huh!

Scarlet rae Heat Pad is slim, rechargeable, and built to fit your life.

Period Heat

Meet rae, the self-care device created heat on the go and go with your flow.

Learn More

★★★★★

"The modal cotton fabric is not only comfy, it’s better for the environment as the creation process doesn’t use as much water."

NEWS

★★★★★

"This Aussie-based label is putting the cool into period knickers."

Refinery29

★★★★★

"I was walking, catching up with friends and going to Pilates. All without a leakage scare in sight."

Beauty Heaven

Super Soft

They kind of hold you in which is great day 2 bloating

Super soft

Perfect waist height so they don't dig in.

Sleep AF

Really great cut - better than other brands.

It leaks

It leaks. I’ve only had these for 2 period cycles and on this SECOND period cycle it’s already leaking into my shorts. Highly disappointed, followed all the instructions carefully as well. I can’t tell if I’ve received a faulty one due to purchasing it off The Iconic or not, either way, I’ll take my money elsewhere.

It is so comfortable and the sizing is perfect

1 2 3

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Scarlet Period The Heavy Days Set

Your questions, answered

The Secret to Better Periods

Period Undies

Period Cups

Period Swim

Period Heat

Customer Reviews