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Handles every condition from A to Zeta.

Zip up the Helly Hansen Men’s Zeta CIS Jacket and streamline your profile without sacrificing waterproof protection. This three-in-one jacket has all the pockets, features, and goodies you want for winter adventures, but doesn’t look like a stuffed turducken when you put it on. Helly Hansen’s Helly Tech 2L waterproof breathable fabric keeps you dry in storm conditions, and the removable Cross Insulator inner jacket adds low-profile warmth when the temperature drops below freezing.

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Helly Hansen Zeta 2L HT CIS Jacket - Men's

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Here's what others have to say...

This jacket has 100 grams of insulation...

This jacket has 100 grams of insulation which is easy enough to understand except for the fact it has an insulated hood.

Does the hood account for some of that 100 grams? How much is in the body of the jacket? I don't want to go below 100 grams in the body; if anything I'd prefer 150, but that's hard to find. Thank you.

Responded on

This jacket does not have a total of 100 grams of insulation. It has 100 grams per meter squared. I assume it also uses the 100g WarmCore in the hood. The 100g Primaloft will be warmer than a lower fill weight assuming the same type of Primaloft, but it will also be heavier. There's not a whole lot of information on the WarmCore as it is proprietary to Helly Hansen. It is used in their "lifestyle, kids and junior ranges", so I assume it won't be as good as something like Primaloft One. It won't be as warm per weight or as compressible, and it probably won't hold its insulation value as well when it's wet.

Helly Hansen Proprietary Fabrics

See here why Helly Hansen develops their own waterproof/breathable technical fabrics called HellyTech.

Helly Hansen Zeta CIS Jacket

The Component Insulation System gives you the Zeta 2 Layer shell jacket with a fitted Warmcore by Primaloft insulator jacket inside. Use together or separately and adjust to the temperature of the day. See all the features and benefits here.