Is that really core body temperature? Normal core body temperature is around 37C...

systemsweird · 2026-03-19T22:18:19 1773958699

Also the body will increase metabolic rate in the cold to maintain body temperate which is an externality they aren’t measuring. The user of the worse clothing is very likely burning more calories and still not as warm. This would mean increased fatigue and greater food weight on expeditions.

throwaway173738 · 2026-03-20T01:33:45 1773970425

Or they can move faster or carry more weight. You can warm yourself by moving or by metabolism.

IAmBroom · 2026-03-20T12:05:28 1774008328

"We aren't carrying the best gear, so we'll just hurry a bit climbing Everest... and carry heavier packs of food, too."

tantalor · 2026-03-20T04:34:07 1773981247

It's mostly from metabolism, friction is negligible (<1%).

thaumasiotes · 2026-03-20T05:11:31 1773983491

> Normal core body temperature is around 37C.

Traditionally, yes.

In practice, modern people are a bit colder than that. The 37C value is old enough that it's out of date, but the reasons why aren't well understood.