> What’s the point of having stuff rated at -140C when the lowest temperature
> ever recorded on Earth is -88C (in Antarctica)?
-140 when in perfect conditions. A little bit of moisture (sweat,
snow, etc.) and air movement will decrease effectiveness. I only have
one set of insulation inserts in mine, but all the regular slope
workers have multiple ones and they may switch them out once or twice
a day.
My other workboots are -40C. I find them adequate down to about -25C.
AK Schnozz
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