Abstract: To provide an inner garment with which an outer garment on hand can be utilized as luxurious clothes depending on the season or the place, and an effect as winter clothes can be attained in seasons of low temperatures. The inner garment comprises a jacket-like body portion (11) made of a thin cloth, and a fur portion (12) fixed to the body portion (11) to extend from the collar to the bottom. The inner garment is worn under front opening outer garment (20, 30), and, when the fur portion (12) is exposed to the outside at a portion from the collar to the bottom of the outer garment (20, 30), the front opening outer garment (20, 30) can be decorated with the fur portion (12).