All Aluminum hardware reducing the overall weight by 25%. Aluminum hardware also performs better in corrosive environments and is just as strong as steel. Integrated Shoulder pad optimized to reduce heat zones, bulkiness and weight and ??" wide reflective stripe for visibility in low light conditions.The tool belt is made out of stronger material that would bear the weight of heavy tool pouches with optimized comfort from a leather lumbar support. Belt design is unique as it has a "Break Away" Tool Belt feature so that in the event of a fall, the forces are not transferred to the belt causing injury to the abdominal region. It also has trauma straps on both sides to provide time in a rescue situation. These harnesses meet and exceed the ANSI and OSHA regulations and is CSA certified.