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I tested the Flash Jacket over a five month period while backcountry skiing, snowshoeing, tent and igloo winter camping, day hiking, and spring backpacking. In cold weather, I wore it as a mid-layer with a shell over it, and on warmer days I wore it on breaks and in camp. I typically wore it in my sleeping bag for extra warmth.

It's important to note that I did not test the Flash in temperatures colder than 0 F, and that was only briefly on a cold morning at the igloo while getting ready to go skiing. On another occasion it was 9 F with a 12 mph wind après-ski, and I had to wear another jacket under the Flash to stay warm.


  • Performance
  • Assessment
  • Specifications

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