How do environmental factors like extreme temperatures and humidity affect safety sunglasses?

Lens category 2: General purpose sunglasses, These provide good protection against sunglare and good UV protection; they suitable for driving in at night or ... Just 21 g. Robustness. Polycarbonate glasses made from high resistance plastic. 2-year guarantee. Polarised. Polarising lens: reduces reflections from ... Oct 9, 2020 ... Yes, the two are tied together. Category 3 sun lenses will provide UV protection up to 400nm, which essentially is full UV blockage. 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 ... These sunglasses provide a good level of UV protection. Category 3 glasses also provide a high level of sun glare reduction. These sunglasses are good if you ... Collection: Cat 3 Sunglasses. "Category 3 Sunglasses" provide high-level UV protection and reduce glare, making them ideal for bright, sunny environments. Size: 54cm Net Weight: 50g Lens Category: 3 Lens Transmittance: 16.29%. Shipping & Returns. Free Express Shipping Times vary based on shipping destination ... Category 3 Kids Sunglasses. Refine Selection. Junior Flair J601. Bloc Junior Flair J601 Clear Pink / Pink Mirror Cat.3. £30.00 £25.00. Adults Category 3 Hiking Sunglasses MH140 ... Anti-UV lenses block out 100% of the sun's harmful rays and Category 3 protects you from glare. Thanks to their low ... Just 21 g. Robustness. Polycarbonate glasses made from high resistance plastic. 2-year guarantee. Coverage. Wraparound shape: protects your eyes from wind, ...