The Chobe glasses are suitable for various activities and general use, and their strong curvature ("Tri-field wrap-around" structure) makes them ideal even for narrow faces. This curvature also provides a wide field of view without obstructing peripheral vision. Whether it's cycling, surfing, cross-country skiing, or running, Chobe glasses are versatile. They come with a floating neck strap for water activities. - Narrow width, 145 mm - Purple cat2 lenses made of very strong polycarbonate - Replaceable lens with water, oil, and dirt-repellent coating - Excellent protection from wind and obstacles like branches on mountain biking trails - 100% UV400 protection (UV-A, UV-B, and UV-C, up to 400 nanometers) - Frames made from a plastic composite, 45% of which is castor oil-based - Comes with a carrying pouch - Easily adjustable Tri-Flex nose pad - Tri-Bend temple tips provide good grip and are easy to adjust This product meets the requirements of the EN ISO 12312-1, AS/NZS 1067, and ANSI