The Skullerz Skoll Safety Glasses are named after the Norse Wolf God of Sun & Moon. These protective work safety sunglasses feature tough scratch-resistant lenses filter 99.9 percent of harmful UVA, UVB & UVC rays to keep your eyes safe in the sun. The blade-style design is a sleek & sporty look with all the features you've come to expect from Skullerz Eye Protection at an outstanding value. The durable frames bend & flex without breaking. Flexible rubber temples & non-slip nose piece offer a non-slip, comfortable fit. These impact-resistant safety glasses also offer high velocity protection. Permanent Fog-Off TreatmentFor 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.