Boll&eacute; Safety 253-TR-40089 Tracker Safety Eyewear with Black/Gray Polycarbonate + TPE Full Frame and Welding Lens Adjustable head strap included for improved fit and protection Optimal fit in a comfortable, durable frame 99.99 percent UVA and UVB light absorption Anti-Fog and Anti-Scratch coated on both sides Rubberized eye seal provides exceptional protection against dust and other particles Tracker eyewear features high impact 2.2mm thick polycarbonate lens, anti-fog/anti-scratch coated on both side 99.99-Percent UVA and UVB light absorption Optimal fit in a comfortable, durable frame and adjustable head strap improves fit and protection Interchangeable rubberized eye seal provides exceptional protection against dust and other particles Available in black/gray frame and welding lens