The Towers (later known as the Shirley Institute, and then the BTTG) is a research establishment for new technologies in cotton production. The Shirley Institute was established in 1920 at a cost of £10,000 to accommodate the newly formed British Cotton Industry Research Association. It is a Grade II* listed building in the suburb of Didsbury, located 6 miles (10 km) south of the centre of Manchester, England.