The 
NUPROL FAST Railed SF Helmet
 is a lightweight, durable polymer airsoft replica helmet designed for tactical simulation and customisation
 
Key Features and Specifications
The 
NUPROL FAST Railed SF Helmet
 is built for airsoft use, focusing on versatility and comfort. Note that it is a replica helmet and does not offer real ballistic protection. 
Construction: Manufactured from a durable, high-impact polymer with a roughed surface for low reflectivity.
Accessory Mounting: Includes integrated side rails (20mm RIS/RAS adapters) for attaching tactical gear like lights and cameras, as well as a front mount for NVG (night vision goggles) or optics.
Comfort and Fit: Features an adjustable suspension system, a padded interior (removable foam cushions), and an adjustable chin strap with a quick-release buckle. It generally fits head circumferences up to 61cm.
Ventilation: Strategically placed air holes provide airflow to prevent overheating during extended use.
Compatibility: Designed with a headband groove to accommodate various communication headsets and "buckle holes" on the side rails for use with compatible face protection.
Aesthetics: Multiple Velcro strips are mounted on the outside for attaching patches and other accessories.