What texture is explicitly disallowed for the outer coat of a Bearded Collie according to breed standards?

Answer

Curly or woolly

The outer coat texture must be flat or slightly wavy, and it is specifically noted that the coat should never be curly or woolly.

What texture is explicitly disallowed for the outer coat of a Bearded Collie according to breed standards?
DogcharacteristicbreedHerdingBearded Collie