Ray-Ban Chris Sunglasses in Matte Havana Frame Color with Brown Gradient Lenses. Very good pre-owned condition, minor lens scratches, original case included. As seen on Kate Middleton at Wimbledon! MODEL CODE RB4187 856/13 54-18 FRAME SHAPE Square FRAME COLOR Matte Havana FRAME MATERIAL Injected TEMPLE COLOR Tortoise LENSES COLOR Brown TREATMENT Gradient HINGE TO HINGE 131mm LENS HEIGHT 43.7mm BRIDGE WIDTH 54 18mm TEMPLE LENGTH 145mm FITTING Regular BRIDGE & NOSEPADS High Bridge Fit Ray-Ban Chris sunglasses are a stylish new addition to the Highstreet collection. These unisex sunglasses are designed with unique style cues taken from the Erika style, but spun into a slightly more masculine shape with square lenses and a less circular frame shape. Chris RB4187 Sunglasses have been crafted with a gummy and rubberized frame finish, giving these trend setting sunglasses an exclusive textured feel. The Ray-Ban Chris epitomizes modern day fashion packed into a lightweight, comfortable design. Choose Chris in traditional black or tortoise frames or some bolder frame colors such as blue, green and red that will ensure you don't go unnoticed.