A heating pad keeps you in the chair beside the outlet, holding it in place. TherapyWear sews infrared heat into clothing and runs it from a power bank in your pocket, so the heat gets up when you do. Hope, a verified buyer: "I was always connected to my plug in heating pad... this is a million times better."

Four zones: the back of your neck, your shoulder blades and traps, your middle back and your lower back. The NECK button runs the neck and the BACK button runs the other three together, each on low, medium or high. Run the neck alone at the desk, or both after a long shift or a cold walk home.

Radiant heat: the kind you feel from a stone warmed by the sun, not from hot air. Carbon fiber panels give it off as soon as they warm up, so you feel it through a shirt in about 20 seconds.

Yes, and fast: you feel the warmth within about 20 seconds. It has three levels, 45, 55 and 65°C (113, 131 and 149°F) at the panel; start on low over a shirt and go up by feel. One buyer in Switzerland called it "shockingly warm".

Yes: a removable 15,000 mAh (57.75 Wh) power bank and a USB-C to USB-C cable to charge it both come in the box. A full charge gives about two hours of heat on high, and longer on low; recharging takes 2 to 3 hours with a fast USB-C charger. The heat switches itself off after 30 minutes; turn it back on for another round.

One oversized, unisex fit with raglan sleeves, cut to fit most body types with room for a layer underneath. Our male model is 5'11" (180 cm) and our female model is 5'6" (168 cm).

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Shipping is free and there are no customs fees on delivery. We ship to Canada, the United States, the United Kingdom, Ireland, Germany, France, Spain, Italy, the Netherlands, Belgium, Switzerland, Norway, Australia and New Zealand. Delivery times for each country are in our Shipping policy.

The heat switches itself off after 30 minutes. Wear a layer underneath so the panels never touch bare skin, and never sleep with the heat on or leave it on unattended. It is not for children, and if you have a health condition or are pregnant, ask your healthcare professional first; the full list is on our Learn page.

Plug the heating cord into the power bank in the right pocket; the power bank switches on by itself. Hold NECK or BACK on the front pocket for three seconds until it lights up red, and you'll feel the warmth within about 20 seconds. Press to change between low, medium and high, and hold to switch off.

Yes, by hand in cold water, after you unplug and remove the power bank, cap the cord and zip it into the pocket. Hang it to dry, and let it dry completely before you switch the heat on. No machine, wringing, iron, bleach or dry cleaning, and never wash the power bank.

Not from across the room. The heating panels are slim and sit between the shell and the lining; the two buttons on the front pocket are the only giveaway.

It comes in one size, so there's no size to guess, and it ships in a plain outer box with no branding. Christine S. bought one for her husband for Christmas: "He LOVED it and uses it regularly."

Yes. The power bank is a 57.75 Wh lithium battery, under the 100 Wh limit airlines allow without approval. Keep it in your carry on bag, never in checked baggage.