CK20314S — Men's Sunglasses. Part of the Calvin Klein Collection, the CK20314S features a round metal frame designed for everyday urban use. The silhouette balances style with practicality, making them a solid option for those who want a standout accessory for outdoor activities. The Calvin Klein Collection emphasizes refined finishes and meticulous craftsmanship, placing these frames in the premium tier. Measurements: 51-18-147. The 51 mm lens width denotes the size of each lens, the 18 mm bridge distance spans the nose, and the temples measure 147 mm in length. A 51 mm lens width is particularly flattering for oval and heart-shaped faces. Frame design: the circular shape nods to vintage circular-inspired looks, softening the overall appearance and lending a timeless vibe. Lenses: UV400 protection blocks 100% of UVA and UVB rays. With a category 2 tint, they are suitable for driving and moderate light conditions.