I don't know the specifics, but this might be of interest to airsoft enthusiasts or collectors. It's quite heavy. There are protector-like elements in the front and back. There's a mysterious section on the back with three layers of Velcro on the left and right sides. Please purchase only if you understand that this item has been stored at home and inspected by an amateur. Please refrain from purchasing if you are overly concerned about details. Recycled materials will be used for shipping. Please purchase only if you understand this. Military Plate Carrier Airsoft Tactical Vest Camouflage