Yamamoto Kogaku (YAMAMOTO) Two-lens protective eyewear, black New, unused. 【Model Number: YS-390】 Product Description ● ＜JIS Standard Product＞ Standard type ● Adopting an eye cup frame, it combines outstanding protective performance and comfortable fit. Soft rubber nose pads and a flex frame system for a good fit. ＜Frame Features＞ ● Flex Frame: Only the frame part is movable, providing a soft fit. ● Eye Cup Frame: The eye cup type lens frame fits the face, providing high protective performance. ● Nose Pad: Stable and comfortable to wear with soft nose pads. ＜Product Features＞ ● Japan Fit design for enhanced wearability Designed based on a large amount of Japanese head shape data, considering the weight balance when worn, and achieving a comfortable fit even after long hours of wear. The manufacturer's "Japan Fit" provides a more comfortable fit tailored to Japanese people. ● Non-slip rubber temples that prevent slippage Achieves an outstanding fit. ● Lens replacement possible Lenses that become difficult to see due to "scratches and dirt" can be replaced (lenses sold separately). ● PET-AF (Double-sided hard coat & anti-fog) Coated lenses with anti-fog effect on PET lenses. Ensures a safe and clear view during work or when used with a mask. ● UV protection Cuts over 99.9% of harmful ultraviolet rays (380nm or less). The frame design that fits the curve of the face also reduces ultraviolet rays entering through gaps. ● Product WHD (mm): W152 x H47 x D158 (mm) ● Weight: 31g ● Frame Material: Plastic ● Frame Color: Black ● Lens Material: Polycarbonate ● Lens: PET-AF (Double-sided hard coat anti-fog) ● Lens Color: Clear ● Applicable Standards: JIS (JIS T8147)