Meets the 440# strength requirement for the chinstrap/retention assmebly. Best fitting helmet in the industry! Adjustable to you head size and shape. (Helmet size is based on hat size. Regular fits sizes up to 7 1/8" hat size. Size 7 1/4" and larger requires an extra large helmet).
SPH4, Fibreglass with electret mic (size Regular only) $720.00
SPH4, Kevlar with electrect mic (size Reglar or X-Large) $850.00
SPH4, Kevlar, Deluxe, with ANR, Softskin, Oregon Seals $1200.00
