Omega II® Mega Ratchet® Safety Helmet (Orange) meets ANSI Z89.1, Type 1, Class C, E and G requirements Model 4000 Steel Mesh Face Screen provides protection from flying debris and meets the requirements of ANSI Z87-S 1992. Epoxy coated for glare and corrosion resistance Model 5000 Visor Carrier Attachment has resilient cam-lock feature that holds the face screen in place - 3 positional Model 2800 Sound Shield Ear Muff Attachment fits into accessory slots of helmet and meets ANSI S3.19 requirements. Dielectric. NRR 28dB Model 116 Perforated Anti-Fog Goggle has a polycarbonate lens and flexible vinyl frame for secure fit Model 19182 Chin Strap - made of durable elastic provides comfort and control