Same amount of head coverage / size as MICH 2002 "Gun-Fighter" model cut Carbon + UHMWPE shell = 20% weight reduction FAST helmet fully loaded (as shown here) - weighs less than same size MICH 2002 without add-ons Lightweight, multi-impact, ventilated liner with repositionable EPP impact pads and LDV closed-cell comfort foam that is not affected by temperature, altitude, or moisture Occ-Dial adjustable fitband with replaceable leather front, nape, and side pads quickly detaches to allow convenient donning and doffing of COMs headsets with internal top headbands Integrated Head-Loc chinstrap retention system gives helmet 4x more stability than standard issue ACH helmet suspension / retention products FAST-ARCs - 4 Position Accessory Rail Connectors: non-snag attachment points for quick yet secure donning or doffing of headborne accessories •works in conjunction with locking and rotating adapters that utilize emergency break-away features for airborne operations •upper ARC dovetail for devices like low-profile lights, video camera, visor, mandible and up-armor side covers •corner ARC buckle receiver for gas and O2 mask strap kit attachments that eliminate the bulk and clutter of traditional bayonet style mounts •lower ARC dovetail for devices like flip-out COMs headset, battery pack, goggle strap keeper, mandible and up-armor side covers •over-the-center side hook attachment for devices like illuminator, strobe light and battery pack BISS-NVD lanyard / elastic tensioner to eliminate night vision mount / device rattle or vibration Standard MARSOC / WARCOM 3-hole pattern Ops-Core VAS Shroud (sold separately): compatible with front mount visors, flashlights and other visual enhancement devices Please specify if you need a Left Eye Dominant chinstrap side buckle This product is restricted to US Military, Law Enforcement, DOD and Security personnel.