A. This pair of double-beam large-frame aviator sunglasses features an oval frame with a fashionable design that showcases a retro round-frame style. It's a good choice for men, highlighting their unique sense of style. B. Both the lenses and the frame of these sunglasses are made of PC material. PC material is lightweight, so wearing them for a long time won't put too much pressure on your nose and ears, allowing you to enjoy style without discomfort. Additionally, this material has good toughness and abrasion resistance, effectively withstanding daily scratches and collisions to ensure long-term use of the glasses. C. These sunglasses belong to Category 2 sunshades. Although they are not polarized, they have a UV400 anti-ultraviolet rating, effectively blocking the damage of ultraviolet rays to your eyes. Whether you're protecting against the sun, going on an outing, doing outdoor sports, cycling, or driving daily, they can provide reliable protection for your eyes. Meanwhile, they are also a nice accessory for fashionable outfits, adding a touch of charm to your overall look. D. It has a full-frame structure, which is both stylish and stable. It has high compatibility in terms of specifications and can meet the wearing needs of most men. If you're looking for a pair of sunglasses that combines style and practicality, then this product will be an ideal option for you.