3M Non-Vented Hard Hat with Ratchet Adjustment, Yellow

TEKK Protection Hard Hat with Ratchet Adjustment is worn to help protect the head from possible impact and offers a four-point, fully adjustable ratchet suspension for easy adjustments for a custom fit.  This vented pro ratchet hard hat is dielectric; it will not conduct electric current.  It's a great choice in head protection for both professional and Do-it-Yourselfers.  Hard hat meets the requirements of ANSI Z89.1-2003, Type 1, Class G and E and meets the requirements of CSA Z94.1-2005, Type 1, Class G and E.