Impact-resistant and offers protection against falling objects and overhead hazards. Equipped with MSA s comfortable Fas-Trac suspension. Meets all applicable requirements for a type I (top impact) helmet as outlined in ANSI/ISEA Z89.1-2009 (class E) and CSA Z94.1-2005 (class E). Meets the voluntary standard for reverse donning and low temperature (LT) as prescribed by ANSI/ISEA Z89.1-2009 third-party certified by the Safety Equipment Institute (SEI).