How Uterine Pack Works Across VieWear and FourthWear

Woman inserting Uterine Ice/Heat Pack into VieWear Leggings

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Uterine Reusable Ice/Heat Pack

Name: Uterine Reusable Ice/Heat Pack
SKU: VC-IP-UTE-Print-01
Price: 15.0 USD

$

– +

Targeted uterine relief that goes where the pain actually starts.

Period cramps, endometriosis, and postpartum uterine pain all originate in the same place — and that's exactly where Nyssa's Uterine Reusable Ice/Heat Pack is designed to work. The first alternating ice and heat therapy pack uniquely contoured to fit directly over the lower abdomen and uterus, delivering full, effective coverage right at the source.

At 8.5 inches long and less than 0.25 inches thin, this pack is engineered to feel virtually invisible inside the pocket of Nyssa's VieWear Period Comfort Underwear or FourthWear Postpartum Recovery Underwear — flexible enough to conform to your body's contours, discreet enough to wear under clothing without anyone knowing it's there. No bulky heating pads. No cords. No interrupting your day.

Whether you're managing postpartum uterine cramping, monthly period pain, or the chronic discomfort of endometriosis, this pack brings hands-free relief that actually fits your body and your life.

✔ FSA/HSA eligible

✔ Compatible with VieWear Period Comfort & FourthWear Postpartum Underwear

✔ Period cramps · Endometriosis · Postpartum uterine pain · C-section recovery — targeted relief in one

What's Included

1ct: 1 reusable uterine ice and heat therapy pack.
2ct: 2 reusable uterine ice and heat therapy packs.

Composition + Care

Store in freezer for cooling comfort.
Microwave at 15 second intervals for heat therapy.
Do not machine wash. When needed, clean by rinsing in cold water with mild soap and let air dry completely before warming or freezing.

Shipping

Ships in 1-2 business days.

Pairs Great With...

Select a Size

VieWear Period Comfort Underwear

Select a Size

FourthWear Postpartum Recovery Underwear

What To Know

Uterine Reusable Ice/Heat Pack

Recommended for use with Nyssa’s VieWear Period Comfort Underwear and Leggings or FourthWear Postpartum Recovery Underwear.

Diagrammed image of uterine ice - heat pack showing 21.5cm length and widened ends to cover ovaries

Extra-long, contoured shape to sit below the natural curvature of a woman's belly and deliver targeted heat therapy to the uterus and ovaries, allowing free movement and comfort while sitting.

Woman holding a Nyssa Uterine Reusable Ice/Heat Pack

Made with a uniquely lightweight, premium soft gel interior that delivers penetrative ice and heat therapy.

Features a soft, hygienic woven plastic fabric outer layer with Nyssa’s signature pattern by Kaye Blegvad.

Back of Nyssa's Uterine Ice - Heat pack featuring 'Bodies are Brilliant' motto.

Microwaveable for heat therapy and freezable for cooling relief.

Uterine Reusable Ice/Heat Pack

Recommended for use with Nyssa’s VieWear Period Comfort Underwear and Leggings or FourthWear Postpartum Recovery Underwear.
Extra-long, contoured shape to sit below the natural curvature of a woman's belly and deliver targeted heat therapy to the uterus and ovaries, allowing free movement and comfort while sitting.
Made with a uniquely lightweight, premium soft gel interior that delivers penetrative ice and heat therapy.
Features a soft, hygienic woven plastic fabric outer layer with Nyssa’s signature pattern by Kaye Blegvad.
Microwaveable for heat therapy and freezable for cooling relief.

Model inserting Reusable Uterine Ice - Heat pack into VieWear leggings

Why We Love It

No more shoving peas down your pants.

Period and endometriosis pain are REAL. That’s a truth we know first-hand and the refrain of women across our Nyssa community. We created our lightweight and uniquely contoured Uterine Reusable Ice and Heat Therapy Pack to sit directly over the uterus and ovaries for immediate and direct period and pelvic pain relief. Specially designed to be discreetly worn inside our VieWear Period Comfort Underwear and Leggings or FourthWear Postpartum Recovery Underwear, our uterine packs deliver penetrative heat therapy or cooling comfort where you need it most.

FAQs

Need support? Just ask us.

Can I use the Uterine Ice and Heat Therapy Pack if I have a caesarean delivery? Can I use it if I have a vaginal birth?

Though each of our packs are uniquely designed to provide coverage and comfort to specific regions of the body, ice and heat therapy will be effective wherever you place the pack. Our ice/heat packs can be used anywhere you’d like to apply hot/cold therapy for non-medicated pain relief.

Are the materials and cooling agents in the ice/heat pack safe?

The exterior of our ice/heat packs is made of an FDA-approved knitted plastic/fabric composite. The cooling agent is comprised of naturally derived ingredients: glycerine, water, and sodium polymer. These ingredients are all non-toxic and approved by the FDA.

Can the pack be used directly on the skin?

Yes. However, placing any ice/heat pack directly on the skin can cause tissue damage, particularly for sensitive areas such as the perineum. For hot therapy specifically, please make sure that you safely and thoroughly test the temperature of your pack prior to placing it directly onto your skin.

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FourthWear Underwear FourthWear Bralette

NYSSA SIZE STD. US/CAN SIZE STD. UK/AUS SIZE

XXS/XS 00-2 2-6

XS/S 2-4 6-8

S/M 4-8 8-12

M/L 8-12 12-16

L/XL 12-16 16-20

1X/2X 18-22 22-26

2X/3X 22-28 26-32

3X4X 26-32 30-36

If you're choosing between sizes, we recommend sizing DOWN for our Postpartum Recovery Underwear. The fabric is very stretchy and adaptive.

NYSSA SIZE STD. US/UK BAND SIZE STD. US/CAN SHIRT SIZE

XXS/XS 24-26 00-2

XS/S 28-30 2-4

S/M 32-34 4-6

M/L 36-38 6-8

L/XL 38-42 8-12

1X/2X 42-46 12-16

2X/3X 46-50 16-20

3X4X 50-54 20-24

Our Postpartum Bralette fits true to size.