OTRA Kora Sunglasses. Delicate and effortless, KORA is OTRA's elevated take on the classic aviator frame. Featuring a sleek rectangular frame with striking amber-tinted lenses, this lightweight silhouette blends vintage appeal with modern sophistication. Category 3 lenses provide 100% UV protection (UV400), helping block harmful UVA and UVB rays. Designed to reduce glare and protect your eyes while you enjoy the sun. 142.1mm frame width. 42.3mm frame height. 24mm nose gap. Imported.