Connect a charged USB power bank, zip it into the inner pocket and press the button on the chest. The heating panels in the lining start to warm up in about 30 seconds.

A standard USB power bank, a laptop or any USB port. It runs on low-voltage 5V, the same as a phone charger. How long it stays warm depends on the size of your power bank.

It runs on low-voltage 5V USB power and switches itself off automatically after a while. Switch it off before you fall asleep, and don’t use it on babies, young children or anyone who can’t feel heat or take it off on their own.

Yes. Take the power bank out first, then machine wash cold on a gentle cycle and let it air dry.

Yes. With a power bank in the inner pocket it works anywhere: at the office, at a match, on a camping trip or on a cold commute.

We don’t recommend it. Like any heated product, switch it off before you fall asleep.

It’s one of the easiest gifts for anyone who’s always cold. Order 2 and get an extra 10% off, or 3 and get an extra 15% off.

Orders ship within 1–3 working days and usually arrive in 7–12 working days. You get a tracking number by email as soon as your order ships.

You’re covered by our 30-day money-back guarantee. Contact us within 30 days of delivery and we’ll walk you through the return and refund.