What's that darker bit at the toe area that you sometimes see on pantyhose called, anyways? Does it even have a specific name? Might it be taggable?

Ars said:

What's that darker bit at the toe area that you sometimes see on pantyhose called, anyways? Does it even have a specific name? Might it be taggable?

It's called a reinforced toe. They can also have the same thing on the heel, but that is abbreviated to RHT (for reinforced heel toe).