Next Level Fall Protection 300 Series Full Body Harness – Part Number: NLH331 1-D-ring (Dorsal) with Mating Buckle Leg/Chest Straps. This full body harness meets the most current standards from OSHA & ANSI. The combination of top quality and low price make this harness the best value in the fall protection industry today. The Next Level Fall Protection 300 Series full body harness has passed the rigorous ANSI Z359.11-2014 qualification testing at an ISO-17025 third party test laboratory. Furthermore, the D-rings have been 100% proof tested as now required by OSHA. Next Level Fall Protection’s mission is to bring you world-class fall protection solutions at a value price.