Why did early homo species not regain body hair when they migrated to cold climates?

[Northern_Piper]

@Dorjan

The slightly softer-haired ancestor was slightly more attractive to the opposite sex, slightly more likely to have offspring and pass those softer haired genes along.

Or, as I put it in this old thread, “Why Blue Eyes?”

@Northern_Piper

Getting laid? that’s the only reason the mutation has survived?

Getting laid? that’s the only reason the mutation has survived?