DescriptionThe experts choice (Best-In-Class ADF Clarity, Light Weight and True Colour)Features:High Impact Nylon ShellComfort-Headgear with longitudinal and angular adjustments, smooth ratchetThe ADF: Shade 4, 5-9/9-13, 62 x 98 viewing area, Best-In-Class-ClarityTrue colour4 arc sensorsCE classification 1/1/1/2Grind mode via external switchLight weight at 490 gram2 years warranty