Longchamp LO646S Sunglasses | FREE Shipping - Go-Optic.com。The Longchamp LO646S 001 Black Gold Sunglasses are a stylish and authentic accessory for women. Featuring a round design with gradient black lenses and a frame in black, these sunglasses offer UV400 protection and a temple length of 140mm. The designer theme and high-quality plastic lens material make them a fashionable and durable choice for any sunny day. Brand new with a Case, Cleaning Cloth, and paperwork. These Longchamp sunglasses are a must-have for those seeking both style and function in their eyewear.