Valken Echo Single Lens Airsoft Goggles

Features  Protection from airborne particles Anti-fog coated lens Indirect vented foam carriage Extended side shield design Detachable and adjustable elastic strap Removable inner foam lens clip Passes MIL-PRF 32432 High Velocity Impact Standards Meets ASTM F2879 standards Meets ANSI Z87.1 standards Meets Canadian CSA Z94.3 standards Meets European EN166 standards Specification Lens Material: Polycarbonate Lens Thickness: 2.3mm Visible Light Transmitted: 96% clear / 23% grey / 89% yellow (380-780nm) UVA, UVB Blocked: 100% clear / 100% grey / 99% yellow (200-380nm) Blue Light Blocked: 9% clear / 74% grey / 75% yellow (400-700nm) IR Blocked: 18% clear / 48% grey / 18% yellow (780-2000nm) Overall Width: 5.4in (136 mm) Frame Material: Nylon & polycarbonate Foam: Chloroprene rubber (CR) Goggle Weight: 36g Strap: Quick-release buckle, 19.7in (500 mm) length Lens Warranty covers manufacturer defects ONLY- wear & tear not covered The Valken Echo Goggles are an aff