The term "hair-shirt" refers to an uncomfortable, rough garment worn as a form of penance or self-mortification. Antonyms for this word would include clothes that are comfortable, soft, and luxurious. Examples of these antonyms might include silk robes, cashmere sweaters, or plush velvet jackets. Other antonyms might include clothing that is fashionable, trendy, or stylish, such as designer dresses or tailored suits. In addition, antonyms for "hair-shirt" might include words that connote pleasure, relaxation, and indulgence, such as spa treatments, massages, or tropical vacations. Essentially, any word or concept that represents the opposite of austerity, hardship, or deprivation could be considered an antonym for "hair-shirt.