PURPOSE: Functional clothes are provided to prevent the fatigue of a wearer regardless of wearing time. CONSTITUTION: Functional clothes comprise a clothes main body(100) and a figure correction band member. The clothes main body is comprised of front clothes shell and outer clothes shell. The figure correction band member is equipped with an X-shaped band member from the breast to the lower abdomen. Both edges of the band comprise a block-type band member having a contour line corresponding to both edges of the front clothes shell.