Wrangler Unlimited's sport bar uses high-strength steel and is integrated into the B-Pillar that runs into the floor for improved side-impact performance, vehicle stiffness, torsional rigidity and control at highway speeds. Additional features include: advanced multistage front airbags[1]; side supplemental airbags[1]; body-on-frame construction; energy-absorbing steering wheel and column; integrated restraint system includes three-point lap and shoulder belts for all seating positions; and off-road tested emergency brake system.