This safety helmet features a lightweight smooth dome design to provide maximum comfort while you work. Four-point ratchet suspension lets you intuitively adjust the helmet. Accessory slot allows you to attach additional personal protective equipment (PPE). Molded from HDPE this safety helmet is designed to fit head sizes between 6-1/2 to 8. Safety helmet meets ANSI Z89.7 Class C G E specifications. Kimberly-Clark SC-6 4-point Ratchet Safety Helmet