The Dyna-Pro Aluminum harness is designed for comfort eliminating all unnecessary weight and bulkiness in both padding and hardware. With all the hardware made out of aluminum, the overall weight of the harness is reduced by 25% and provides ultimate corrosion resistance making this harness ideal for those working in highly corrosive environments. The back pad focuses on comfort while relieving pressure point at all the right places such as your shoulders and the back of the legs. The minimalistic pad eliminates heat zones, weight and reduces the overall bulkiness of the harness making this harness one of the most comfortable harness you will wear. These harnesses are CSA certified class ADPLE. They also meet and exceed ANSI and OSHA regulations.