The Harrington jacket, aka, G9, is a lightweight waist-length jacket, made of cotton. The Baracuta brand saw increase popularity with such notables as Steve McQueen, Frank Sinatra, and Elvis sporting the Harrington.
To learn more about Baracuta: http://www.baracuta.com/on/demandware.store/Sites-WPBAWO-EU-Site/default/Home-Show