The 3M ™ 2820-2821-2822 protective goggles have a low weight, elegant and modern design and offer excellent coverage with a wide field of view. The side plates are very soft and flexible for comfortable wearing. The visor is made of high quality polycarbonate, which is impact resistant. Swivel side plates allow the user to adjust the inclination of the sight glass. Very high quality and stylish goggles.