Calvin Klein CK19571 Eyeglasses Color:001 - Black Acetate is a plant-based material

Acetate is a plant-based material that's stronger and more flexible than standard plastic frames

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They also reduce the risk of accidental breakage when you're taking the frames on and off

The Chesterfield Chesterf44XL Eyeglasses deliver a clean rectangular silhouette built for men who need a larger

O-Matter isn't just marketing speak

Calvin Klein CK19571 Eyeglasses Color:001 - Black Acetate is a plant-based materialCalvin Klein CK19571 Eyeglasses made by Calvin Klein are Men's Eyeglasses. They have a Square shape, and come in 5 colors, which are Black, Crystal Light Green, Matte Crystal Blue, Matte Crystal Brown, and Matte Crystal Nude with size 5219.