Ambient / Active insulation w pit zips?

Joined
Dec 12, 2018
Messages
480
Location
the Bitterroot
Hi All,

Does anyone know of a jacket like this?

As soon as I get moving, I run very hot, so would love to have the option of pit zips in an ambient style jacket. It’s always a game changer when I open them in my rain jacket if I’m using it as a windbreaker.

Thanks

S
 

croben

WKR
Joined
Aug 21, 2022
Messages
322
Are you using the actual Ambient jacket? That jacket has 150 grams of primaloft insulation, which would be way too much for me to be doing any hiking in. Even the Ambient 100 would be too much for me. I generally wear the Stone Glacier Cirque Lite as my mid or outer layer depending on the temps. It’s 60 grams, but is great both when moving and static. I can’t think of any jackets like this that have pit zips though.
 
OP
L
Joined
Dec 12, 2018
Messages
480
Location
the Bitterroot
Are you using the actual Ambient jacket? That jacket has 150 grams of primaloft insulation, which would be way too much for me to be doing any hiking in. Even the Ambient 100 would be too much for me. I generally wear the Stone Glacier Cirque Lite as my mid or outer layer depending on the temps. It’s 60 grams, but is great both when moving and static. I can’t think of any jackets like this that have pit zips though.
I have just had the FL Klamath grid fleece up until now but so rarely wear it under my bino harness if moving at all, as I get too hot.

Considering one of the active jackets that allows front and pit zips ideally as I’ve found those most helpful for dumping heat during mild hiking then can zip up if super windy or stand to glass a short bit.

I’ve worn my chugach rain jacket as a windbreaker when cold and breezy and those zips wide open make it doable on non strenuous hiking.
 
Joined
Apr 5, 2015
Messages
5,924
I run hot too. Someone can come along that maybe knows the technology better than me, but I would say the moisture movement is good enough that I didn’t need it. I have 2x Sitka arrowhead jackets, one with hood and one without and just picked up a vest.

I am actually quite surprised how dry I have stayed wearing them in a variety of temps. Everything from 50* hiking to 5* high output bushwhacking. I have opened up the front zip once or twice but generally stayed dryer and warmer without having to do as much layer management as I would have expected.
 
OP
L
Joined
Dec 12, 2018
Messages
480
Location
the Bitterroot
I have 2x Sitka arrowhead jackets, one with hood and one without and just picked up a vest.
Thanks. Looks like the Arrowhead is 90g insulation (vs Ambient 100) with a slightly thicker shell than the Ambient of 30denier v 20d.

How durable does the arrowhead shell seem as it sounds like you e done some bushwhacking in it?

Thx
 

SDArcher7

FNG
Joined
Oct 13, 2024
Messages
6
As mentioned above by "Wheels", the Kenai has pit zips and has body mapping insulation w/ 90g/m2 for body and 60g/m2 for sides and arms.
 
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