I am almost positive this is what Tyson's wearing.
http://www.vitalmx.com/features/Tested-The-RXR-Organic-Chest-Protector,1590
If not its the same concept of using air as a padding.
I have a 05 7.3 and thought it was something I did while racing. I called IH today and they are going to review a picture i sent and is going to ship out a new lower link.
Does it look like this?
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