Also known as the PASGT (Personnel Armor System for Ground Troops) vest or FLAK Jacket. This was originally designed to protect the ground troops and parachutists upper torso from flying fragments by slowing the fragments down or stopping them. The front of the vest is secured with hook and loop fastener with pivoting shoulder pads, 2 hook and loop closure front pockets. Woodland Camo. Although this vest is genuine military surplus, we do not warrant its functionality. If you are using as a protective covering we will not be held responsible for any harm inflicted to your body. We are selling this as a collectable or novelty only. Unused. NSN: 8470-01-092-8499. Size Medium, chest size 37 to 41 in.