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Insulation Strategy: Shell under or over down sweater?
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Feb 14, 2011 at 11:46 am #1269160
Simple question:
What is more effective for keeping warm while moving and/or at camp. Wearing your puffy sweater under your rain shell or over your rain shell on cold days? Notice I didn't say that it was raining but rather just cold.
Feb 14, 2011 at 12:31 pm #1696596Under rain shell.
Feb 14, 2011 at 12:35 pm #1696600I wear my rain shell under my insulation layer. It helps the insulation layer maintain loft by avoiding something from compressing it while also adding a little warmth because the shell acts a bit like a vapor barrier. Reverse it if the weather is bad.
Feb 14, 2011 at 1:03 pm #1696614It depends on why I'm putting on the insulation layer.
If it's a dry day, if I'm using my shell as a windshirt, and I'm wanting to add insulation on a break from hiking, I'd throw on the sweater/jacket/vest on over my shell. Why? It's faster and easier, and I don't want to get any of my sweat on my insulation, especially if it's down.
If I'm sitting around at camp and don't expect to take off the insulation, I'll wear my shell over my insulation, if anything to protect the insulation's delicate low denier shell fabric from twigs or ash.
Feb 14, 2011 at 6:47 pm #1696775^ same- for breaks it goes over (non-rain event), at camp it goes under
Feb 14, 2011 at 7:08 pm #1696777Assuming the shell is properly sized so that it doesn't compress the high loft jacket, over the top is warmer in my experience. That said, if it's to get a quick warm up, and then I will be moving again, putting insulation over the shell is more efficient.
–Mark
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