Scale-up your Shift 360™ Scalable Plate Rack System: The Shift 360™ Ballistic Shoulders [set of 2] are an optional accessory with the ability to provide additional ballistic coverage of the shoulder area of the upper torso. Comprised of durable 1000-denier Cordura®, the Shift 360™ Ballistic Shoulders are attached to the carrier by sliding onto the shoulder strap component. Choose between 10 different ballistic panel packages to complete the ballistic overage that’s just right for you.