A. This pair of outdoor cycling sunglasses is designed for people who love outdoor sports and is suitable for various scenarios. Whether you are cycling, fishing, traveling, driving daily, or engaging in other outdoor sports, it can provide you with good protection and a decent visual experience. B. The light transmittance of its lenses belongs to Class 2 sunglasses, and it has a UV400 anti - ultraviolet rating, which can effectively block ultraviolet rays and offer reliable sun protection for your eyes. When doing outdoor activities, you don't have to worry about the harm of ultraviolet rays to your eyes. C. This pair of glasses features a full - frame structure, which is sturdy and durable. Although it doesn't have polarized lenses, it can meet the needs of most scenarios. Additionally, this pair of glasses is not compatible with prescription glasses. However, its specifications are designed to fit the wearing habits of the general public, bringing you a comfortable wearing experience. D. For men and women who pursue both style and functionality, it is an ideal choice for outdoor travel, allowing you to fully protect your eyes while enjoying outdoor sports.