The Rocker polarized lens are an awesome pair of sunglasses. The Rocker sunglasses have a 5 barrel stainless steel hinge, a polycarbonate frame and metal badging! The Rocker is a modern twist on a classic pair of sunglasses. The Rocker comes in a variety of lens and frame colours. The Rocker sunglasses not only look great, but also have 100% UV protection.