The Borneo Loincloth

[Bede735]

Well, it is noticeable that the natives wearing these do not have body hair, which is universally accepted as unattractive and perhaps, too similar to animals? European males are generally afflicted with this, and it is noticeable in Western culture that it is more sociably acceptable for women to wear less clothing than men.
As an aside, people often think Speedos should only be worn by competitive swimmers, alluding to their physique - but swimmers also lack body hair, often shaving this off.

[Torchwatch]

It was traditionally believed that the Neanderthals became extinct, but there is evidence of cross breeding between Neanderthals and Early Modern Humans in what is now Spain and Portugal. This may explain the survival of a certain hairiness across Europe and as far as India in Modern Humans.
Successful offspring would have the human brain and speech facility combined with a tough, cold weather adapted body.
As a tall, slim and smooth bodied person I think I met Neanderthal descendants among the bullies at school.