Naked yoga is the practice of yoga without clothes. It has existed since ancient times as a spiritual practice, and is mentioned in the 7th-10th century Bhagavata Purana and by the Ancient Greek geographer Strabo.
Naga Sadhus in India 2013
Nigamananda Paramahansa, yogi and Hindu leader, India, 1904
Since 2001, Aaron Star has taught male-only naked yoga in New York.
Marguerite Agniel was a Broadway actress and dancer, who then became a health and beauty guru in New York in the early 20th century. She is known for her 1931 book The Art of the Body: Rhythmic Exercise for Health and Beauty, one of the first to combine yoga and nudism.
In Halasana, Plough Pose. Photograph by John de Mirjian, c. 1928
In "Buddha position", Muktasana. Photograph by John de Mirjian, c. 1928
In Supta Virasana, demonstrating "A good exercise for the back and abdominal muscles". Photograph by John de Mirjian, c. 1928
"As Mona Lisa" by Robert Henri, c. 1929