I have found baselayers made from marino wool to be infinitely superior in every facet. And if they get wet, they will still keep you somewhat warm. And they don't develop the funk that synthetics do. And they come from sheep.
I've heard that if you borrow a pair of your OL's pantyhose they're warmer than you think. Only problem is that when you crash you get a big ficken run in them.
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And the Paramedics may have trouble getting a line in while laughing.