Dynamic Safety FP2003BD industrial dyna-i lightweight Vest style harness, Large features adjustable shoulder straps. 1 Large back D-ring Plus 2 side D-rings for work positioning. Bayonet style connectors with one on the adjustable chest strap. Class a fall arrest and p work positioning harness. Meets ANSI and OSHA regulations and is CSA certified. Size Large. The Vest style harness from Dynamic Safety are made to offer comfort and ease of use. The shoulder straps and the chest strap are totally adjustable and will give you the possibility of positioning them in order to optimize your comfort. The polyester webbing gives you maximum protection against UV rays and high resistance to most chemicals.