Most tracks require SA helmets. But each organization might be different so you should check.
I like a closed face:
1) I wear contacts
2) when I went off course it's the dust and debris that follows after your off course excursion that sucks and slams you in the face
3) I like my smoked visor so I don't have to wear sunglasses
__________________
Sponsored by: KAM Racing Sports, Falken Tires, Progress Technology, Brady's High Performance, Taggart Performance Engineering, Rotora Brakes
Autocross is: 90% driver, 5% car, & 5%
CRAZY MOJO!
Autocross Help Page