Sonar Batsuit

The Sonar Batsuit is an auxiliary batsuit with hi-tech "sonar" modifications.

Behind the Scenes
Jose Fernandez designed and sculpted the Sonar costume under direction from Bob Ringwood and Joel Schumacher.

Trivia

 * The choice to have two suits in each film has been encouraged as a way to increase toy sales.
 * An actor wearing the Sonar Batsuit appears in the 2003 WB film Looney Tunes: Back in Action, exasperated over Brendan Fraser ruining a movie scene in his pursuit of Daffy Duck.
 * The Sonarsuit was used by director Christopher Nolan during auditions for the lead role in Batman Begins. It was worn by auditioning actors Christian Bale and Cillian Murphy among others. The torso used on the final costume bore a strong semblance the sonar costume.
 * The sonar-lenses in Batman Forever serve as a conceptual predessor to the sonar-lenses featured in The Dark Knight.