(a) All drivers shall wear a properly secured, full face
helmet
with face shield, which meets or exceeds Snell
Memorial Foundation Testing Standard SA, incorporated by
reference herein, as may be amended or supplemented, which
has not reached the expiration
date established by the Snell
Memorial Foundation at the time of the event. The standards
are
available from the Snell Memorial Foundation, 3628
Madison Avenue, Suite 11, North Highlands, CA 95660.
A
Nomex, or similar fire-resistant head sock is recommended to
be worn in conjunction
with the use of the full face helmet with
shield. The use of open face helmets and goggles is prohibited.
(b) (Reserved)
(c) Drivers shall be attired in a shirt, long pants and shoes,
at
a minimum. It is recommended that this clothing be of a fire
retardant material.
(d)
The extension of the driver's head or arm outside the
vehicle is prohibited.
(e) All
drivers shall wear a properly secured head and
neck restraint device/system and/or a neck collar, which
are
commercially-produced and designed for racing.