BHI Commando Recon Chest Harness (w/back panel)

Description
The Commando Recon Chest Harness is made by Blackhawk Industries, and a version of it is worn by Old Snake in Metal Gear Solid 4: Guns of the Patriots, along with a set of HSGI Suspenders, as a set of Load Carrying Equipment for his equipment and ammunition.

Furthermore, Screaming Mantis seems to be wearing a version of this vest, as shown in the image below.