Implementations described and claimed herein provide a ballistic filler for a flexible soft body armor and methods of manufacturing the same. In one implementation, a first portion having a first subpanel is stitched directly to a second subpanel with a stitching pattern. The first subpanel has one or more layers of woven fabric, and the second subpanel has one or more layers of unidirectional fabric. A second portion backs the first portion. The second portion has one or more layers of unstitched unidirectional fabric.