Designed For Training From Professionals Who Expect The Most From Their Equipment. Made Of Abs Plastic Shell With Removable/ Adjustable Foam Cushion Pads. Two 4 Position Side Rails For Accessory Attachment. Fully Adjustable Suspension And Headband For An Exact Fit. Adjustable Nylon Chin Strap With 4 Point Attachment And Quick Release Buckle. Loop Kit With Adhesive Backing For Attaching Patches Or Hi-Vis Illuminators. Includes Free Accessory Pack For Attaching Night Vision, Camera, Or Other Tactical Equipment. Includes Extra Set Of Screws.