JIS single-lens lightweight safety glasses (JIS T8147 compliant) with upper visor cover and strap LF-401AS 1 piece

The lenses are highly impact-resistant, abrasion-resistant, and heat-resistant, and are anti-fog treated to ensure a safe and clear field of vision. It uses bi-spherical lenses so it fits your face perfectly. You can change the height by flipping the nose pads over. No metal parts are used. With upper visor cover, it combines safety and comfort functions (LF-401 series only) Upper visor cover: Yes Strap: Yes Material: Lens: Polycarbonate (Anti-fog processing with Petroid hard coat function), Frame: Nylon, Temple cushion and nose pad: Elastomer UV protection rate: 99.9% Color: Clear x Blue Size: 145 x 155 x 41mm Weight: 27g JIS standard product (JIS T8147 compliant)