It has been calculated that a naked man exposed to still air at or about 0 degrees C can maintain a heat balance if he shivers as hard as he can. However, he can’t shiver forever. Cold Weather Survival, Ch 15, Pg 7
Normally, a sunny winter day can actually do a lot to warm the exposed flesh of a nude person. However, today the skies were deeply overcast and near twilight by the time I finished.
|The way the frozen snow crunches underfoot, I'd be heard . . .|
or I'd hear anybody else out there long before we met.
The hike wasn't a super-long one. Only about an hour. But it sure feels nice to absorb in the cold air and repel it with increased body heat.