MSA Hard Hat with Ratchet, Yellow Color, Slotted, Standard Size. V-Gard® Safety Cap by MSA (Mine Safety Appliances Co.) with Fas-Trac® III ratchet style suspension. The distinctive trademark "V" design is a world recognized brand known for comfort, quality, and durability. Lightweight polyethyelene hard hat with molded in color. Slotted design works with MSA accessories. Meets or exceeds applicable requirements for a Type I helmet (top impact) as outlined in ANSI Z89.1-2003, Class E, and also certified CSA 294.1-2005 (Class E).