OneTigris MICH 2002 Action Version Tactical Helmet ABS Helmet for Airsoft Paintball Made of durable ABS engineering plastics, light weight and easy-carrying 2 side-mounted rails for of different pieces of equipment, Mount for night vision device Fully-adjustable helmet strap at 4 different locations, make it fits almost users Great protection for airsoft/ paintball/ bicycling, but NOT stop bullets Head circumference 56-61cm/22-24 inch