How do safety sunglasses protect against flying debris and projectiles?

Oct 27, 2020 ... Some websites say category 4 lenses are necessary for ski mountaineering, and some say category 3 are good enough. May 30, 2024 ... Filter category 4 lenses only transmit between 3% and 8% of light and are not suitable for driving at any time. Sunglasses with these lenses ... Jul 15, 2019 ... The lens tint can vary from a light tint in Category 1 to a dark tint in Category 3 sunglasses, and a very dark tint in Category 4 sunglasses. Sep 25, 2014 ... Category 3 is for strong sunlight and the most common category because almost all brown and grey (or 'smoke') lenses are Category 3. Shop ... Adult Hiking Sunglasses MH140 UV Filter Category 3 ... Anti-UV lenses block out 100% of the sun's harmful rays and Category 3 protects you from glare. Thanks to ... Category 3 sunglasses are ideal for medium to bright sunlight. They are perfect for the beach, driving on sunny days, or any daytime outdoor activity. With a ... Provides significant glare reduction. Most common choice for regular outdoor activities in sunny conditions. Category 4 (3% to 8% VLT): Very dark lenses. For ... May 2, 2023 ... At Charly Therapy you will find category 3 sunglasses with UV400 protection with colored lenses for all styles and tastes at the best price. Ideal for use in the mountains or outdoors generally, thanks to their lightness. The anti-UV lenses block out 100% of harmful rays and category 3 protects you ... Jan 8, 2024 ... 3 8 – 18% General purpose sunglasses High protection against sunglare. ... COLORS AND SUN LENS CATEGORY BLK CAT. 3. PET CAT. 3. PTRT CAT. 3.