GLASSES; LENS MATERIAL: POLYCARBONATE LENS SHADE: DARK; FRAME MATERIAL: PLASTIC; SAFETY LENS, MADE OF POLYCARBONATE WITH ANTI-SCRATCH TREATMENT, FILTERS 99% OF UV RAYS. NAYLON FRAME WITH INTEGRATED RETRACTABLE ROD THAT PROVIDES EXCELLENT FIT, UNIVERSAL ONE-PIECE NASAL BRIDGE, HAS SIDE PROTECTORS THAT PROVIDE ADDITIONAL PROTECTION