• global fashionable modern streamline design, for high level people use who are engaged in the jobs of experiment and test.
• balance and lightweight frame make the overall weight of glasses light, weight: 32g.
• integrated medium bridge design, wild view (incl. side view).
• lens with clear view, no optical twist and prism degree tolerance .
• antifog, anti-shock and anti-scratch.
• offer No. 3 and No. 5 opacity lens for welding environment use.
• offer adjustable tied rope for free.
• obstruct 99% ultraviolet rays.
• comply with China GB, USA ANSI and European EN standard.