Skullerz Vali Frameless Safety Glasses are the lightest weight safety glasses in the Skullerz Eye Protection line. These protective z87 safety glasses feature tough scratch-resistant lenses to filter 99.9 percent of harmful UVA, UVB and UVC rays and a frameless design for full field of vision. Available in a variety of lenses to suit a range of tasks and light environments. It's everything you've come to expect from Skullerz Eye Protection at an outstanding value. The clear frame design maximizes the field of vision. These impact-resistant safety glasses are tested to ANSI Z87.1+ High-Velocity Impact Protection and optical requirements. ANSI Z87.1 is the U.S. standard for Personal Eye and Face Protection Devices and is listed on the frame. Permanent Fog-Off Treatment—For clear vision at all times. Fog-Off treatment won't wash off or wear off. Style: Frameless; Frame Color: Matte Black; Frame Material: Nylon Impact; Lens Material: Polycarbonate.