Calvin Klein CK20535 410 52 Matte Crystal Navy glasses are a smart, stylish option for men. The classic square frames are characterised by a matte crystal navy finish. The frame shape is designed to suit most face shapes and especially complements rounder face shapes. Get the best of both worlds with these glasses as they offer both style and function. Made from a strong plastic, they are designed to last. They also offer a lightweight feel, making them incredibly easy and comfortable to wear every day. For authentication, the arms are etched with the infamous Calvin Klein brand name. Complete your look with these suave Calvin Klein glasses.