3M GoggleGear 500 Series Safety Goggles feature a low-profile design with an adjustable strap, indirect ventilation, and 3M Scotchgard Protector Anti-Fog/Anti-Scratch Coating. Additionally, these goggles are D3 (droplet and splash) and D4 (dust) rated.Fogged lenses can be frustrating and dangerous, which is why 3M GoggleGear 500 Series Safety Goggles feature 3M Scotchgard Protector Anti-Fog Coating. This helps workers see clearly thanks to a formula that bonds the coating to the lens.