Iconic Ray-Ban RB3517 Aviator sunglasses featuring a classic gold-tone metal frame with a sleek, lightweight design and signature teardrop-shaped lenses. The highlighted model (3517A4) showcases a stunning gradient blue lens—darker at the top transitioning to lighter blue at the bottom—for optimal sun protection and modern aesthetic appeal. Lenses are glass (as indicated by '玻璃镜片' in image), offering superior optical clarity, scratch resistance, and UV400 protection. The double bridge and temple arms bear the Ray-Ban logo on the lens corner and temple tips, ensuring authentic branding. Ideal for daily wear, driving, or outdoor activities in sunny conditions, these unisex aviators combine timeless style with functional performance. Frame size 58mm, lens width 58mm, bridge 14mm, temple length 140mm—standard fit for most adult face shapes. Perfect for streetwear, casual, or smart-casual outfits across spring, summer, and early fall.