“I mainly switch it on when I stop moving.”
Bought it for commuting and waiting outside. The real plus is adding warmth right when the cold starts to bite.
Customer reviews
Fewer layers. More freedom.
Warm in 10 seconds, from chest to lower back, arms free. The Targeted 9-zone heat system heats where the cold gets to you. Free 20,000 mAh battery.
You receive the sleeveless vest ready to use. The compatible battery is free, along with the charging cable and clear instructions. Everything is in the box: nothing else to buy.
In the package:
To feel the warmth properly, the vest should sit fairly close to your torso without squeezing you. This reduces the gap between your body and the heating zones.
| Your situation | Recommended size |
|---|---|
| You normally wear the same size | Choose your regular size |
| Between two sizes | Choose the next size up |
| Thick sweater underneath | Choose the next size up |
| Closer fit | Keep your usual size |
Battery life depends on the heat setting and outdoor temperature: up to 12 hours on low, less on medium and high. Start higher to take the chill off, then turn it down as soon as you are warm.
Tested over 300 washes – gentle cycle at 86 °F (30 °C), with the battery removed: the heating system is designed to last for several winters.

My train leaves at 6:52 and the wind cuts across the platform. I switch it on as I get out of the car: my back is already warm before the train arrives. At the office, under my jacket, nobody can tell I’m wearing a heated vest.

My open-plan office stays at 63 °F (17 °C) all winter and I was tired of keeping a blanket on my shoulders. On low, the vest goes unnoticed and doesn’t get in the way when I type. I no longer spend my days shivering.

My workshop isn’t heated. The sleeveless design is exactly what I needed: I can raise my arms freely and my chest stays warm. I can even adjust the button with gloves on.

Delivered in four days with the battery and cable included, so there was nothing else to buy. Since then, it stays by the front door and I automatically pick it up before going out in the morning.

Go one size up if you wear it over a hoodie; the armholes are quite fitted. After the exchange, the size was perfect: a warm back without bulk around the arms.

I cycle to work all year. My arms stay free as I pedal and my torso is protected from the cold wind. I switch the heat off while riding, then back on at the traffic lights: one button is enough.

I bought it for dog walks and the market. The warmth quickly reaches my lower back, where I always feel cold. The pouch keeps the battery and cable together.

It fits under my coat without making me look bulky. I turn it off on the subway and switch it back on when I come out. It’s what I’d been looking for every winter for years.

I have my coffee outside every morning, even when it is freezing. On the low setting, the battery lasts a very long time. On high continuously, it runs down faster: I recharge it in the evening.

My apartment is poorly insulated. I wore it all winter while working from home instead of turning up the heat. It’s light and takes up little room on the couch. Now that the warm weather is back, everything stays in the pouch.
Swipe to see all reviews
Vest + free battery + cable – up to 12 hours of battery life
Instead of adding a thick layer everywhere, Layer 9 distributes adjustable warmth across the areas of your torso most exposed to the cold. Wear it on its own between seasons or under a jacket in midwinter.
Why it works
The front zones warm the chest, abdomen and pockets. The rear zones cover the neck, back and lower back. The sleeveless cut keeps you mobile and makes it easy to add a jacket over the top.
The Layer 9 difference
Easy to use
No need to plan three layers before going out. Dress normally and switch on the warmth when the cold sets in.
1. Plug in
Place the free battery in its dedicated pocket.
2. Turn on
One press is enough: you can feel the warmth in 10 seconds.
3. Adjust
Low, medium or high: 77 / 95 / 113 °F (25 / 35 / 45 °C), depending on how cold it is outside.
4. Head out
Keep your torso warm without restricting your arms.
Package contents
The battery is often the first doubt with heated clothing. Here, it’s free, along with the cable and the instructions: everything is in the box.
Why Layer 9
Standard layers quickly add bulk around the arms. Layer 9 warms your torso while remaining easy to wear on its own or under a jacket.
You gain insulation, but lose freedom of movement and comfort under the arms.
It insulates your torso. Layer 9 adds adjustable warmth to key areas without restricting your arms.
Your arms stay free and you can feel the warmth in 10 seconds as soon as the cold arrives. Tested in real conditions at −9 °F (−23 °C).
Stay warm and mobile, with the option to add a jacket over the top.Before adding to cart
Zero risk
Frequently asked questions
Straight answers before you order.
Yes. Press the button: you can feel the warmth in 10 seconds on the chest, abdomen and pockets, neck, back and lower back. Three measured levels — low, medium or high: 77 / 95 / 113 °F (25 / 35 / 45 °C) at the surface of the heating zones — and 90 days to try it outdoors.
It has been tested in real conditions at −9 °F (−23 °C). The high setting takes the chill off, then the low setting extends battery life. In biting cold, wear it under a jacket to keep warmth around your torso while leaving your arms free.
It depends on how cold it is. Layer 9 warms your torso while leaving your arms free. Wear it on its own when it is cool and under a jacket when the cold becomes intense.
Yes, it’s free. The box contains the sleeveless vest, the compatible battery, the charging cable and the instructions. Take it out, charge the battery and put it on.
On the low setting. Battery life depends on the heat setting and the outdoor temperature. The high setting uses more power. Start higher to take the chill off, then turn it down once you are warm.
It fits in the designated inner pocket and is easy to remove. You can feel it, as with any heated garment, but it does not hang outside and stays securely in place.
Yes. The sleeveless design adds adjustable warmth to your torso without adding bulk to your arms. If you often wear a thick sweater or a fitted jacket, choose the next size up.
Yes, in light rain. In heavy or prolonged rain, wear it under a waterproof jacket and keep the connectors dry.
Yes. Remove the battery, close the zippers and machine wash on a gentle cycle at 86°F (30°C) or below. Let it dry completely before reconnecting the battery. Do not use the vest if the cable, connector or battery appears damaged.
To feel the warmth properly, the vest should sit close to your body. Choose your usual size for a fitted cut. With a thick sweater or a tight jacket over the top, choose the next size up.
Your choice
Free battery, heat you can feel in 10 seconds and real-world testing at −9 °F (−23 °C). You have 90 days to try it outdoors, chest warm and arms free.
Choose my sizeContinue selecting
Compare without starting over: first similar models, then useful accessories.
Compare the fits and choose the protection that truly suits your daily life.
Before you check out
Add a spare battery or a second garment.
Up to 30% off batteries when you buy more. Gratis batterij van 20.000 mAh bij elk kledingstuk.
Added straight to your order, shipping still free.