Scarlet Period rae Heat Pad fits neatly into our Period Pocket Underwear

Scarlet Period Pocket Underwear are designed with a discreet pocket to securely carry your rae heat device so you can access pain relief on the go.

Scarlet Period High-Waist Pocket Brief – Heat Pad Pocket, Leak-Proof Comfort

Scarlet Period Pocket Underwear keeps the rae heat device away from your skin to protect your skin for ongoing use, and it makes it move with you wherever your day takes you.

Shop Scarlet Period Pocket Underwear - available in light and moderate

Scarlet Period High-Waist Pocket Brief

Name: Scarlet Period High-Waist Pocket Brief
Brand: Scarlet
SKU: POCLIGHTXS
Price: 30.0 AUD
Availability: InStock

$30.00

Available in Light and Moderate

Leak-proof, ultra-soft. It’s everything you love about our Period Undies, plus a discreet pocket to hold your rae heat device.

Soft Organic Cotton
Functional Pocket Storage
PFAS-Free & Non-Toxic
Two Absorbency Levels

SizeSize Chart

6 (XS)

8 (S)

10 (M)

12 (L)

14 (XL)

16 (XXL)

18 (XXXL)

Style

Light-Moderate

Moderate-Heavy

Select variant

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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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Keep your Cup clean and fresh with our gentle wash

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Why You’ll Love It

✨ Functional Pocket: Discreet pocket for carrying your rae heat device.

✨ Full Coverage & Comfort: High-waisted for a secure, flattering fit.

✨ Leak-Proof Protection: Fast-absorbing gusset keeps you dry.

✨ Two Absorbency Levels: Choose Light-Moderate or Moderate-Heavy.

✨ Soft, Breathable Cotton: Made from organic cotton.

Easy Care, Zero Fuss

✨ Rinse in cold water after wear (until the water runs clear).

✨ Machine wash cold with a mild detergent.

✨ No bleach, no fabric softener - your undies will thank you.

✨ Line dry or tumble on low for easy care.

Read more about cleaning your Period Underwear.

Materials & Composition

✨ 95% GOTS Certified Organic Cotton for softness and breathability.

✨ 5% Spandex for the perfect stretch and a comfortable fit.

✨ Polyester/PUL Gusset that’s quick-drying and leak-proof.

✨ PFAS-Free & Toxin-Free - because you deserve better.

Size & Fit

✨ Fit Note: We run slightly smaller so 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 - one where self-care and sustainability go hand in hand.

✨ GOTS Organic Cotton: Soft, breathable, and sustainably grown.

✨ Body Safe: No harmful chemicals, always PFAS-Free.

✨ Recyclable Packaging: Minimal waste for a cleaner world.

✨ 1% for the Planet: Scarlet is a proud member, joining a global movement dedicated to environmental conservation.

IN THE MEDIA

Scarlet Period rae Heat Pad: Wireless relief, soft silicone, smart period care.

Have you met rae - the heat pad that goes with your flow?

To be safe, let’s do some formal introductions…

rae is wireless and rechargeable, with a sleek, comfy design. Designed with three heat settings that go up to 50°C, it lasts up to 5 hours, and is wireless.

Curved for your comfort
Three heat settings, up to 50 degrees
Soft high-quality silicone
Wear with your Period Pocket Underwear

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★★★★★

“Pair [rae] with Scarlet’s leak-proof undies with a built-in pouch, and you’ve got a period-care revolution on your hands.”
Sitchu

★★★★★

“rae’s cool factor doesn’t stop at just being cordless - it slides discreetly under clothes without any noticeable lumps.”
Women Love Tech

★★★★★

“Comfortable, full coverage, and, most importantly, leak-free. A bonus: [they] are machine washable.”
NEWS

Your Questions, Answered

Umm, what is rae?

rae is THE heat pad that’s here to go with your flow. Designed in Australia, rae is slim, soft, and curved for extra comfort. With three heat settings and flexible wings that hug your body, it’s USB-rechargeable, splash-proof, and fits right into our custom period undies pouch.

Can I use the undies without rae?

We’re not here for rules, so you do you boo! They do have additional fabric for the pocket at the front so if not using with rae, you might prefer our Bikini Brief or High-Waisted Brief.

Can I use rae without the undies?

rae is designed to get hot, so we do recommend using rae with them or otherwise over your undies. If using directly on the skin, start at the lowest setting and monitor your comfort.

How do I wash them?

After use, rinse them in cold water (we recommend in the shower) until they run clear. Then, machine wash in cold water with mild detergent (no bleach!). Try our Laundry Bag to safeguard them on laundry day. Then just hang out to dry (the sunnier the better) or tumble dry on low - that’s it!

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.

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. Make sure to check both our numeric and letter sizing so no confusion (ie. our large is a 12).

When in doubt, feedback tells us better to size up. Still confused? You can also email us for help at support@scarletperiod.com.

What does the absorbency level mean?

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

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

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

Heavy: Holds up to 7 teaspoons, which is equal to 4 regular tampons or 3 pads. Our heavy hitters are great to wear on their own, day or night. Try: Boyshort or Period Cup

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!

Period Heat

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

Learn More

High Waist Pocket Brief and Rae heat pad

I ordered the pocket briefs to go with my Rae. They are very comfortable and feel secure. I have an extremely heavy flow and these briefs kept me protected all day. I would love a slightly less deep pocket so that the Rae sits higher towards my abdomen, but I do feel that it is secure within the deep pocket. The Rae itself is very warm, intuitive to use, has a long-lasting battery and is soooo soothing. The briefs create a bit of a VPL on my cheeks at the back but this is only makes them slightly short of perfection. COMFORTABLE, secure and good to know that PFAs aren't used. I plan to buy more pocket briefs now that I know these are true to size.
Highly recommended 👌

VERY SMART!

VERY SMART! Goes with rae. I do hope they bring out normal undies with the pocket as would like to use the heat pad without the period undies.

Clever design

The description is accurate; these undies are very absorbent, don't leak and perfectly fit the Rae heat pad in the pocket.

SO AMAZING

I have been recommending this to everyoneeee! The heat pad is so easy and comfortable to use! Not only this but Jo the owner is a genuinely nice person just wanting to help us girls in pain! She’s so lovely!! The period undies are also the most comfortable period undies I’ve owned and they come with the pouch for the heat pad! But you can still use the heat pad without the undies, I just put it in my waist band. I use this everyday to keep me warm at work aswell as the days I’m on my period!

LOVE

Love a small business - next level service! Great prod.

1 2 3

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Scarlet Period High-Waist Pocket Brief

Have you met rae - the heat pad that goes with your flow?

Your Questions, Answered

The Secret to Better Periods

Period Undies

Period Cups

Period Swim

Period Heat

Customer Reviews