Solid construction with individually cast links joined with steel pins and hardware. Magnetic rail system allows accessories to attach at any point and slide along the belt. Neoprene backing protects the Batsuit while wearing.
Made by Johann Leiter.
More about the Wayne Enterprises equipment crate it's stored in here: https://www.yourprops.com/Wayne-Enterprises-Applied-Sciences-Equipment-made-from-scratch-movie-prop-Batman-Begins-2005-YP825271.html