The cycling glasses you mentioned are photochromic sunglasses designed for both men and women. They are specifically designed for use during mountain biking or road cycling. The lenses of these glasses have photochromic properties, which means they can adjust their tint based on the intensity of light, providing optimal vision in various lighting conditions. This feature allows the glasses to darken in bright sunlight and lighten in low-light or cloudy conditions. The eyewear is designed to protect your eyes from UV rays, wind, dust, and other potential debris while cycling. They offer both style and functionality, making them a suitable choice for cyclists seeking reliable eye protection.