The PN1 series is stylish and durable, a top performer in dusty environments. It features a Hypo-Allergenic foam seal that prevents eye injuries and protects from airborne dust and debris. Other features include anti-fog scratch resistant lens for excellent visibility and durability, and polycarbonate lenses that block 99.9% of harmful UVA and UVB rays. Can be used as motorcycle safety glasses! Choose the best safety glasses, choose MCR Safety!