OneTigris Airsoft Paintball MICH 2001 Action Version Tactical Helmet with NVG Mount and Side Rails (Gray) Comes with the NVG mount already on the front of the helmet Material:ABS engineering plastics; Weight: about 660g Size adjustable at chin & neck band; 7 pieces sponge padding inside Perfect helmet for airsoft or paintball players Fits for head circumference 56-61cm?22-24 inch?