This harness is made with steel D-ring and hardware, as well as elastic-nylon webbing, and has tongue buckles on the leg straps. Made in a vest-style with universal sizing, this Delta No-Tangle(TM) harness contains a back pad system to hold the form and shape of the harness. With a weight capacity of 420 pounds, this harness has OSHA 1910.66 and OSHA 1926.502 standards.