The Skullerz Skoll Safety Glasses are named after the Norse Wolf God of Sun and Moon. These protective work safety sunglasses feature tough scratch-resistant lenses filter 99.9 percent of harmful UVA, UVB and UVC rays to keep your eyes safe in the sun. The blade-style design is a sleek and sporty look with all the features you've come to expect from Skullerz Eye Protection at an outstanding value. The durable frames bend and flex without breaking. Flexible rubber temples and non-slip nose piece offer a non-slip, comfortable fit. These impact-resistant safety glasses also offer high velocity protection. Permanent Fog-Off Treatment—For clear vision at all times. Fog-Off treatment won't wash off or wear off. Great for use with dust masks. Style: Single Lens; Frame Color: Matte Black; Frame Material: Nylon Impact; Lens Material: Polycarbonate.