The Klein Tools Standard Semi-Frame, Narrow Lens Safety Glasses feature a narrow lens and sleek wrap-around design for a low profile fit. The safety glasses block up to 99.9 percent UV rays and have a soft grip nose piece and temple tips to ensure a secure fit. They also offer an anti-fog and scratch resistant coating to minimize moisture build-up and to add durability. The safety glasses are lightweight, yet offer a superior impact protection. The polycarbonate lenses have been tested to the latest ANSI, CSA, and military grade standards.