hair seal

any of various seals having coarse hair and no soft underfur.

Origin of hair seal

First recorded in 1815–25

Their clothing is also marine, their parkees of the hair-seal and their mukluks of the giant seal.

Ten Thousand Miles with a Dog Sled |Hudson Stuck
They were of the kind known here as the hair-seal, the skin of which is of little value.

Voyage Of H.M.S. Rattlesnake, Vol. 2 (of 2) |John MacGillivray

hair seal

any earless seal, esp the harbour seal, having a coat of stiff hair with no underfur