Blending retro sport styling with truly modern refinements, The Jam emerged as an instant classic to become our most popular frame. This Italian made design features clean, confident lines highlighted by metal badge details at the temple while seemingly endless color and lens choices mean The Jam offers options for everyone.Key Features of the Dragon The Jam Sunglasses: Grilamid Frame Material. 6 Base Polycarbonate Lens. 5 Barrel Stainless Steel Hinge. 100% UV Protection.