Specter Clean sightlines. Sharp looks. Designed to travel the same roads as tactical pros and hardened heroes, the Specter is very much on your level. Full coverage, headgear and ear protection compatible, and ready to operate at your command. Adjustable Frame for Comfort and FitAdjustable Center Frame Width Adjustable Center Frame WidthThin Adjustable TemplesAdjustable Silicone Nosepiece with Metal CoreImpact Resistant Polycarbonate LensesThin Temples; Comfortable Fit Under Helmets and Ear ProtectionLifetime Frame WarrantyAmerican Made American Made Quality You Can Trust Precision CNC Machined Aluminum FrameStainless Steel Rivets Bond 4 Hinges to FrameDurable Cerakote and Anodized Coatings100+ Point Measurement Quality Check Specter Frame Measurements Hinge to hinge [Frame Width] - 142mm Lens height - 44mm Lens width - 57mm Bridge width - 13mm Temple length - 110mm Base Curve - 6