SCOTT Amplifier Lens Technology: pre-curved lenses are injection molded to provide improved contrast and optical clarity, allowing the user to see contours and transitions in the dirt in ultra-high definition Maximum field of vision and impact protection lens technologies Lens Lock System features four locking pins that go through the lens instead of grabbing it from the top NoFogĂ– treatment process to prevent condensation and fogging Articulated Polyamide (nylon) outriggers NoSweat 3-layer molded face foam Frame is constructed of soft Thermoplastic urethane (TPU) with UV blockers to help maintain flexibility, even in cold temperatures Polycarbonate lenses Extra wide no-slip silicone strap Made in the U.S.A.. GOGL PRO AMP BL/WH GD/WK