Answer: sackcloth

AnswerCrossword Clue
SACKCLOTHGoat's-hair fabric
SACKCLOTHPenitent's garment
SACKCLOTHSymbol of remorse
SACKCLOTHSymbol of penitence.
SACKCLOTHGarment of rue
sackclotha coarse cloth worn by penitents
sackclothA very coarse, rough fabric woven from flax or hemp