Description Features: Molded from high density polyethylene Features short peak and trim profile 4-point woven RATCHET (Turn knob) suspension Meets ANSI Z89.1 - 2003, Type 1, Class C, E and G requirements Made in USA! Easily adjust for head sizes 6 1/2 - 8 (standard size). Can choose your suspension style (ratchet turn knob adds $3.45 to the price)