Lens are made of thick polycarbonate, preventing eyes from fog, smoke, small particles etc. Lens can be changed with the other additional lens(the clear and yellow ones) for various light conditions. Supply With board and clear sight. The brim of the frame covered by polyethylene meterial which is pliable and comfortable. With adjustable and elastic head belt. It can be weared with helmet, weapon sight and night-vision systems. Suitable for outside activities.woodland Specifications: Net Weight: 250g Frame Color: Lens color: Smoke/Clear/Yellow Including: 1 x Frame with smoke color len 2 x spare lens (yellow and clear) 1 x storage pouch