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We added carbon fiber heating elements to a technical puffy, and the Ectotherm was born. Powered by your bike’s 12V battery for heat that lasts as long as the ride.

Ectotherm Insulated 12v Heated Jacket (V2.0)

Color
Onyx
Size

We added carbon fiber heating elements to a kick-ass technical puffy, and the ‘Ectotherm’ was born. The updated V2.0 brings a redesigned lower-profile controller and cable management pocket, plus two new battery-saving modes to extend off-bike capabilities when used with a power bank.

When the wind chill is at its peak, the Ectotherm’s bike-powered 6-panel carbon-fiber 3.5Amps/42w heating system will keep you warm on high alpine passes and long, cold pavement stretches.  When you crawl out of your tent on frigid mornings, the Ectotherm performs as a super warm stand-alone insulator with 100g body-mapped synthetic PrimaLoft Gold insulation with Cross Core Technology.

V2.0's upgraded heat settings include a Low Power Mode, where the heating elements pulse, gradually increasing and decreasing heat, helping maximize battery life when plugged into an external power bank. In Timer Mode, an auto-off setting is activated to maintain your desired heat level at 20/30/60 minute presets, which is handy for falling asleep on bitter nights and not using up all your battery.

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Customer Reviews

Based on 392 reviews
86%
(337)
10%
(39)
4%
(14)
0%
(0)
1%
(2)
M
Marius Herzog
One of the best jackets

In combination with the Rak jacket certainly the best result

G
Gert Vermeer
Feest 🥳

Past perfect, de maat klopt precies. En doet wat hij moet doen, mij warm houden. 👌🏼💪🏼🥳😎

M
Marc B.
Great in cold weather riding- nice as a daily jacked

I was only riding with it two times this spring:
Initially on 14°C and it was basically too warm even on the lowest setting- but nice with 100 kph in the forest and shadow. And also comfortable when off, but as a base layer.
Second time on 8°C (46°F) and bad weather. Was nice on the lowest setting- but did not yet have the chance to test it in colder temperatures. Also didn't bother yet to test it on a more powerful setting in the conditions I was riding in.

So far: Great for riding. Simply wore it under my regular riding jacket.

P.S. The heating is instantly- does not need any time to ramp up.

Apart from that I was using it as a normal jacked (without heating) during the winter as a mid-layer, or now in spring a standalone jacket.

The only issue I do have with it, is that I feels as if it restricts my arm movement a bit. But there was no difference for me between a size S or M. Because of that I was thinking about deducting 1 star down to 4- but is such a minor issue, that I still like wearing it and it does affect my mobility on the bike while riding. It only feels this way when crossing my arms before my chest- so still 5 points. My current favorite mid layer / spring jacket.

M
Marcel Thijssen
Ectotherm heated jacket

Great jacket. Excellent quality. Heats up really quickly and really warm! Also very warm without heating when off the bike.
Fit could gave been a bit slimmer.

B
Bret Echerer
Comfortable, even without heat.

Jacket is well worth the money. Looks good enough to daily, and works amazing on the bike. Wouldn’t hesitate to buy again

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