A main garment body is formed using a cloth that is gas-impermeable or is gas-permeable to the extent that the cloth can be inflated by the introduction of air by a ventilator. The garment body includes a connector to which the ventilator is attached, an air outlet that discharges air introduced by the ventilator, and a spacer member that keeps a space between the garment cloth and a body of a wearer and/or between the garment cloth and other clothes worn over the garment body.