What is the meaning of Moleskin?

The fur of a mole.

A cotton twill fabric with a heavy velvety nap.

Clothing made of this fabric.

A padded adhesive bandage used to prevent or treat blisters.

To cover with a moleskin bandage.

moleskin (cotton twill fabric with a heavy velvety nap)

moleskin (clothing made of this fabric)

Source: wiktionary.org