Go a little loco with convenient Loki full frame safety glasses. They convert from safety glasses to a sealed goggle with interchangeable temples, elastic strap and removable foam gasket (all included). Scratch-resistant lens blocks 99.9% of harmful UV rays. Fog-Off™ Technology—Fog-Off™ Technology anti-fog coating won't wash off or wear off. Safety Glasses Style: Wraparound; Frame Color: Black; Frame Material: Nylon; Lens Material: Polycarbonate.