JK London City Hertford Street are rectangular shaped eye glasses that are made from high grade metal that is durable and light weight. They have a discrete brand logo on the side. JK London City Hertford Street are available in size 57x15. designerglasses.co.uk offers this frame in various colours including: JK London City Hertford Street – 5298 Almost Black with Black Arms, JK London City Hertford Street – 5299 Dark Brown with Black Arms and JK London City Hertford Street – 5300 Light Grey with Dark Grey Arms. At designerglasses.co.uk a scratch resistant/anti glare coating is provided Free with the optical frames.