Originally Posted by
PeteHski
Your link seems to suggest that white clothing doesn't reflect heat back to your body any more or less than black. It doesn't actually say anything about heat conduction (as opposed to heat radiation) from your shirt directly touching your skin. I would be surprised if colour had any effect on heat conduction. But it's not something I've studied.
You're right, I should read more closely.
There is mention that loose fitting black clothing could introduce a chimney effect (and the bedouin black clothing rationale). But this isn't a MTB forum so probably irrelevant.