FEATURES: Shell Constructed From High Density Polyethylene Materials Low Profile Design Rain Trough On Sides And Back Of Helmet Channel Moisture Away. Universal Accessory Slots Fit Cap Mounted Ear Muffs And Chin Straps. Ratchet Suspension Is Easy To Adjust And Allows The Wearer To Modify The Fit While Wearing Hard Hats. Meets ANSI Z89.1-2009 Standards, Type I, Class C, G, And E Soft Brow Pad Is Replaceable And Washable