The 3M DBI-Sala ExoFit Harness Line comes laced with multiple safety features as per OSHA safety regulations that make it highly safe, easy to use, and comfortable. The materials used to make the X300 are the best in business when it comes to providing safety and convenience. With multiple buckles, alloy material, leg and back padding, and polyester webbings being used as the main components, the X300 provides the best-in-class safety making it a favorable choice for many.