JSP® EVO® VISTAshield™ 280-EVSV-01W Lightweight Standard Brim Vented Safety Helmet, ABS, 6-Point Polyester Suspension, ANSI Electrical Class Rating: Class C, ANSI Impact Rating: ANSI Z87+/ANSI/ISEA Z89.1, Type I, Wheel Ratchet Adjustment JSP® EVO® VISTAshield™ 280-EVSV-01W Lightweight Standard Brim Vented Safety Helmet, ABS, 6-Point Polyester Suspension, ANSI Electrical Class Rating: Class C, ANSI Impact Rating: ANSI Z87+/ANSI/ISEA Z89.1, Type I, Wheel Ratchet Adjustment