The Pyramex I-Force features a patented H2X anti-fog coating inside and out, preventing fogging even in extreme temperatures. Its quick-release interchangeable temples and strap remove the necessity for bulky goggles or standard safety glasses, enabling the wearer to adapt effortlessly to changing duties. The indirect-vented foam-lined frame provides maximum dust protection while ensuring adequate airflow. Feel assured while performing any task with the Pyramex I-Force Convertible Safety Glasses/Goggle. Features: Amber H2X anti-fog lenses Dual-pane lens provides the ultimate anti-fog performance Vented-foam carriage Ratcheting Quick Release interchangeable temples and strap Measurements: Frame Width: 165 mm Temple Length: 165 mm Lens Height: 51 mm Strap Length: 360 mm Compliance: ANSI Z87+ Passes MIL-PRF 32432 High Velocity Impact Standards