The Radians Optima™ Safety Glass offers a lightweight frame with dual mold temples. Adjustable rubber nose piece provides a comfortable, customized no-slip fit. Polycarbonate lens is impact resistant. Meets ANSI Z87.1 Standards and provides 99.9% UVA/UVB Protection. Features: ? Lightweight Comfortable Frame. ? Dual Mold Rubber Temples provides a comfortable fit. ? Adjustable Rubber Nosepice provides a customized, no-slip fit. ? Polycarbonate Lens provides impact resistance. ? Dielectric Frame. ? Meets ANSI Z87.1 Standards. ? Provides 99.9% UVA/UVB Protection