Quote Originally Posted by amtrosie View Post
Zero,

2" webbing is reinforced to add durability for supporting your tanks (read more than 1). Seat belt webbing is not nearly durable to support the tanks and equipment you will be diving. The same argument for the 1" webbing. Believe me, you do not notice the webbing after a dive, or during it either. Remember the diver positioning thru-out the dive (horizontal).
OOPS was just for the crotch strap not all of the harness. Ouch couldnt imagine the world of pain carrying twins on 1" webbing even with padding on them.