In the 1860s, it is widely-believed to have designed the first modern-style dinner jacket, according to specifications provided by the Prince of Wales (later Edward VII).
[4] The company holds royal warrants of appointment and supplies the Lord Chamberlain’s office with court dress.
In 1860, Henry Poole made a short evening or smoking jacket for the Prince of Wales to wear at informal dinner parties at Sandringham.
In 1886, during a visit to London, the Prince invited James Potter of Tuxedo Park, New York, to spend a weekend at Sandringham House.
Fellow members quickly began having copies made for themselves, adopting the jacket as their informal uniform for club “stag” dinners.