I see the usual discussion of "Max Michels Sig is probably heavily modified" or "its not milspec" or "you are just advertising for Sig" has resulted.
I am one of those "quasi" experts on body armor. I never worked for a body armor company nor am I a scientists or engineer, but I am a dealer of body armor and have shot plenty of it at the range. I am very well read on the topic.
With that said, I wonder what he'd say to simple/in-store querries considering this unsolicited and grandiose statement asserted in the OP. I know used car salesmen need to sell whats they got but hey, what the hey?
Perhaps listen to the customer without even opening your mouth-hole and then try to sell them what they seem to want/convey.