nylon Imported TILT-AND-TWIST OPTIC: Easily aim the light built into your glasses and twist the bezel to transition the focus between flood beam and BULLS-EYE Spot Beam. TWO LIGHT MODES: Select from two light modes—high or low—to match the light output to your need in the moment. USB-C RECHARGEABLE: Rely on the integrated ZITHION rechargeable power system for strong performance and cost savings over time. ANTI-SCRATCH & ANTI-FOG LENSES: Expect clear sight over a long life from your premium anti-scratch and anti-fog lenses. INTERCHANGEABLE LENSES: Tailor eye safety to the lighting conditions in the moment by easily swapping one set of lenses for another-clear, smoke, or amber (included). COAST safety glasses have mutually compatible lenses. SILICON NOSE PADDING: Count on long-lasting comfort thanks to silicone nose padding that ensures a soft and snug fit. EYEWEAR RETAINER STRAP: Keep your safety glasses snug during use or hang them around your neck with the adjustable comfort-stretch strap. Meets ANSI, CE, and CSA safety standards for protective eyewear.