The object of the invention to provide a garment for layering having better ventilation performance than conventional counterparts, and an outerwear and an inner-layer wear to be used in this garment for layering. The present invention provides a garment for layering including an outerwear, and one or more inner-layer wears worn inside the outerwear, the outerwear and at least one inner-layer wear having a vent that can be opened and closed.