Valken Airsoft ATH Helmet - Olive Color: Black, OD, Dark Earth Side Rails fit a variety of tactical accessories, Integrated NVG Mounting Point Compatible with most GoPro NVG style mounts (NVG mount not included) Lightweight, Ridged Design, Hard Polymer Construction Removable Internal Padding For Size Adjustment, Adjustable Chin Strap Loop Velcro panels on right and left for Morale Patches, Nameplates and Reflective Tabs