The Ergodyne Njord Yellow Lens Safety Glasses EGO55050 provide essential protection with lenses that filter 99.9% of harmful UVA, UVB, and UVC rays, making them ideal for outdoor use. Constructed with a durable nylon frame and polycarbonate temples, these glasses ensure longevity and comfort. They have been tested to meet ANSI Z87.1+ High Velocity Impact Protection standards and MIL-PRF-32432 Ballistic Fragmentation, Class 1. These safety glasses are perfect for use in construction, manufacturing, and other demanding environments.