The dark face shield you see above came from my XD1 helmet, which has
been retired a long long time ago.
Revised visor vent hole.
Revised front vent hole. This use to be round.
Revised rear exhaust vent hole with new easy open/close lever.
Revised lower exhaust vent hole.
Revised visor attachment plate.
New chin spoiler to prevent air swirling up into the helmet.
The chin spoiler folds up into the helmet.
Adjustable front vent hole covers in front of the left and right cheek
pads.