The term 'Beatles' Jacket Option' refers to the Nehru jacket, a style of men's jacket popularized by Jawaharlal Nehru, the first Prime Minister of India. The Nehru jacket was adopted by the Beatles in the 1960s and has since become associated with the band. The Nehru jacket is a collarless, hip-length jacket with a high neckline, usually made of wool or cotton. It is often worn with a shirt and tie, and is considered a formal garment.