Altarist HAYATE R2 S R2 Photochromic Size S Purple [ALTALIST] (Hayate S) Lenses, (Crystal Frame/Purple Lens)

Product features: A model with a lens that is slightly smaller than the conventional R2, and a size S that is not too small. A 3D elliptical big lens with a wide field of view and high wind and dustproof performance. These photochromic lenses change tint depending on the amount of UV light, making them suitable for use in any weather. VIV20's color and contrast adjustments allow for a clearer perception of road surface irregularities and other details, ensuring a safer ride. The lens material is "polycarbonate (PC)," which has high impact resistance and transparency. The frame is made of "Grilamid TR-90," a new material of the 21st century that is highly elastic, impact-resistant, and lightweight. Designed by a Japanese designer, these Asian-fit products feature a gentler curve at the front and a wider frame width to better suit the facial structure of Japanese people, who tend to have wider faces and lower nose bridges. Includes inner frame for prescription lenses. About ALTALIST: The ALTALIST team is comprised of specialists with decades of experience in the Japanese bicycle industry. By combining Japanese design with the manufacturing technology and advantages of China, we provide highly designed, high-quality, and cost-effective products. We aim to be an eyewear brand that can be chosen to match the weather, season, and your fashion and mood of the day.