A sauna cabin enclosure comprised of two half cabins, one half being smaller than the other, such that one half can fit inside the other and can slide to contract or expand partially or fully, thereby increasing or decreasing the air volume inside and the overall external size. This cabin has infrared heating, full spectrum lighting and a steam generator. When the cabin size is reduced by means of a hand crank or a motor, the air volume inside the cabin is decreased, allowing air temperature to increase proportionally. The cabin can be compressed together to minimize required floor space.
