Any fabric having a thick soft shag, like the fur of a mole; esp., a kind of strong twilled fustian.
2.
A soft fabric having an adhesive backing, applied to the skin at points susceptible to abrasion, as on the feet, to prevent irritation or blistering during exercise, such as hiking.
... large muscle. His appearance was that of a man in the prime of life. His hair, above a face tanned and lined by exposure to the weather, was long and grey, as was the beard which curled about his chin. He was clad in a shirt of rough-tanned buckskin and trousers of thick moleskin. His feet were shod with moccasins which were brilliantly beaded. Similar bead-work adorned the front ... — In the Brooding Wild • Ridgwell Cullum