Impact resistance, high-speed particle resistance, polycarbonate lenses, super impact resistance, even if punctured sharp objects will not produce debris, only cracks High temperature resistance, used for high temperature splashing and heat radiation welding Flexible structure,comfortable wearing. Clear lens with high visibility, anti-ultraviolet, hands-free, wide field of view Mainly used in metal casting, mechanical industry, grinding, mining, logging, chemical, paint and other industries Breathable adjustment cassette ensures that you will not feel sultry and sweaty after wearing, and it is easy and comfortable, Weight: 0.65697754076 pounds, Manufacturer: Zambuph