An underbelly for an armored vehicle is provided, configured for providing ballistic protection against a detonation of an explosive device detonated substantially therebelow. The underbelly comprises a central portion having a lowermost area, sidewalls extending upwardly therefrom, the central portion and sidewalls constituting a main armor of the underbelly, and an auxiliary armor panel disposed so as to project downwardly from the lowermost area of the central portion. Upper portions of the sidewalls are free of any auxiliary armor panel.