"Wool" is a very broad category that pretty much means "material made out of some kind of animal hair". And since there's quite a few animals with hair, there's

"Wool" is a very broad category that pretty much means "material made out of some kind of animal hair". And since there's quite a few animals with hair, there's quite a few types of wool. I suggest trying high quality cashmere (note: cheap cashmere is typically mixed with other types of wool).