AEGIR Safety Glasses feature an oversized, blade-style design for superior eye protection and maximized field of vision. Polycarbonate lenses protect against impacts and filter 99.9 percent of harmful UVA\/UVB\/UVC rays. Blue mirror lenses feature 20 percent Visual Light Transmission (VLT) and are perfect for outdoor and bright-light conditions. High-strength frame is built for durability. Rubberized nose bridge and temples offer nonslip security and resist sweat for all-day comfort. Rubber temples bend to accommodate a variety of head shapes and fit preferences. Brow vent improves airflow for better ventilation. Lightweight frame maximizes your comfort. Glasses are ANSI Z87.1 plus tested for high-velocity impact protection. They are perfect for outdoor work or hobbies such as construction, landscaping, carpentry, woodworking, boating, skiing, hunting\/shooting and more.