While we don't claim these as "armor", they can be up to the task of some minor to moderate contact with the rocks, as Randall Davis says: "Thankful that I have Poison Spyder Customs, Inc. B-Pillar protection. That little kiss was close to being ugly."
A few more customer photos while we're at it:
Thanks to Gary Haynes for this one.
Volant's show rig sporting a full Spyder wrap including the B-Pillar covers:
Another shot of Randall Davis' rig: