Home/Scarlet Period | Best Sellers/rae Wireless Heat Pad Duo
Two white rae heat pads stacked on a pale background
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Woman in a printed tee with the white rae heat pad in her black Scarlet briefs under open jeans
Labelled diagram of the white rae heat pad showing heat up to 50C, USB recharging, a slim shape that tucks under clothes, and hypoallergenic silicone
Hand holding the white rae wireless heat pad
The white rae wireless heat pad on a pale background, side view
Two white rae heat pads stacked on a pale background
Hand holding the white rae heat pad beside red track pants
Woman in a printed tee with the white rae heat pad in her black Scarlet briefs under open jeans
Labelled diagram of the white rae heat pad showing heat up to 50C, USB recharging, a slim shape that tucks under clothes, and hypoallergenic silicone
Hand holding the white rae wireless heat pad
The white rae wireless heat pad on a pale background, side view

rae Wireless Heat Pad Duo

Same rae. Twice.

$220.00 $258.00

Two rae, one box. One for you, one for whoever keeps borrowing yours. Wireless, silent, up to 50°C, 5+ hours on low. Borrowing season is over.

    Good Design Award winner
    Good Design Award winner
    5+ hrs on low, 3 settings
    5+ hrs on low, 3 settings
    12-month warranty
    12-month warranty
    Free AU shipping $80+
    Free AU shipping $80+

Two rae, one order. One for the bag and one for the bedside table, so heat is never in the wrong room. Or one for you and one for whoever's been quietly borrowing yours since March.

Each rae is wireless, silent and USB-C rechargeable. It heats up to 50°C, runs 5+ hours on low, about 3 on medium and 2+ on high, and slides into the pocket of the High-Waist Pocket Period Brief or sits under your clothes. Same device, twice. Nothing halved.

Three settings on each: low (lasts 5+ hrs), medium (about 3 hrs), high (2+ hrs).

Wear rae in the Period Pocket Underwear or over your underwear. Directly on skin, stick to a lower setting.

Charge on USB-C. Keep one charging while the other is out.

rae is a comfort device, not a medical device. Don't sleep with it switched on.

Food-grade silicone, no latex, no sharp edges. Splash-proof, IP54. About 270g each. USB-C rechargeable. Certified RoHS and RCM. Three settings, up to 50°C. Two of them. Still not pink.

Heat patches are single-use, so they pile up in landfill after a few hours. rae is the reusable alternative: buy it once, use it for years.

👉 Less waste: reusable for years, so it replaces the single-use heat patches you'd otherwise bin every cycle.

👉 Built to last: powered and made to be used again and again, not thrown away.

👉 Recyclable packaging: minimal waste.

1% for the Planet: a proud member of the global environmental movement.
Two white rae heat pads stacked on a pale background

rae Wireless Heat Pad Duo

$220.00 $258.00
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Three women in black Scarlet underwear, two holding the white rae heat pad

Two rae. One box. No negotiating.

rae is wireless, rechargeable, silent and built to leave the house. Which is the problem, because so is the person who borrowed it. The Duo fixes that.

  • Curved to sit flat under clothes
  • Three settings, up to 50°C
  • 5+ hours on low, about 3 on medium, 2+ on high
  • Fits the pocket of the High-Waist Pocket Period Brief
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Your Questions, Answered

Do I need two rae?

You don't. But rae leaves the house with you, and the person you live with has noticed. Two means one stays on charge while the other is out, or one goes to whoever kept asking to borrow it. Same device, same three settings, same 5+ hours on low.

How long does a wearable heat pad last on one charge?

Depends on the setting. Low: 5+ hours. Medium: about 3 hours. High: 2+ hours. Then it charges on USB-C, the same cable as most things in your bag.

Can you wear a heat pad under clothes without it showing?

Yes. rae is about 270g, flat, curved and silent. Under jeans, a dress or work pants there is no outline and no sound. Nobody knows unless you tell them.

How hot does rae get?

Up to 50°C on high. Three settings, so you choose. Most people start on low and stay there. It is warm and steady, not scalding, and that is deliberate.

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.

Is rae safety tested?

Yes. rae is tested and complies with the electrical safety standards required in Australia, New Zealand, the UK and Europe, and it has auto shut-off and overheat protection built in.

Is a heat pad better than a hot water bottle?

For the couch, a hot water bottle is fine. For leaving the house, no. It is heavy, it can leak and it goes cold before you do. rae is powered and wearable, runs for hours on one charge and sits under your clothes. Your hot water bottle has never once left the house with you.

Full comparison of every kind of heat: how to buy a period heat pack.
★★★★★

"The heat is longer-lasting than your standard heat bottle.… [it's] thin and perfectly fits across the belly."

NEWS

★★★★★

"rae period pad [gives] period comfort that fits a busy life, without the waste and impracticality of patches. Vogue’s beauty and wellness editor, Morgan Fargo, is a fan."

BRITISH VOGUE

★★★★★

"I've been loving it … I popped it in the Scarlet Period Pocket Undies while doing groceries and life admin, and it gave me such a sense of comfort."

REFINERY29

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