The incredibly versatile Pyramex V2G Plus™ safety glasses offer first-class eye protection. It has dual paned lens with a polycarbonate outer lens and an inner acetate lens. The dual lens of these glasses create a thermo lens system that helps control temperature and prevent fogging. A wide, adjustable elastic strap with a quick-release mechanism secures the V2G Plus™ around the wearer. It also has superior scratch and UV ray resistance.