To provide a jacket for lower half bathing to be used for keeping the heat of the upper half of a body unsoaked in hot water and promoting sweating, enabling a user to relaxedly continue lower half bathing, and easy to maintain after using.

This jacket for lower half bathing comprises using a material obtained by giving water-repellent finishing to a synthetic fiber excellent in water resistance, and has a bottom length of an extent of the pit of the stomach and a sleeve length of half sleeve so as to cover only a part which is not soaked in hot water. As the jacket is a jacket type set with the necessity minimum bottom length and sleeve length, the user is not limited in moving in a bathtub and can relaxedly continue lower half bathing. The user is free from feeling uncomfortable because a wet part gets cold or troublesome maintenance after using owing to the characteristics of the material.