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Best Packable Down Jackets (2021)
Let's talk a little bit about insulation.
You know, fleece, down, synthetic down.
When's the best time for each of these insulating materials, and what are the strengths and weaknesses of each?
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Generally, fleece – whether naturally organic (i.e., derived from a sheep's coat) or synthetic (i.e., polyester) – is best used as a mid-layer.
While super cozy, fleece usually doesn't have the weight to be a proper outer layer