Ray-Ban Erika Classic sunglasses are a must-have for anyone looking to add an iconic style to their wardrobe. These phantos-shape frames in transparent blue color with grey gradient polar lenses offer both comfort and durability thanks to its flexible frame material and temples. The key bridge adds an extra touch of uniqueness while the silver accents give these shades some extra shine. PRODUCT INFORMATION STYLE RB4171 Erika Classic MODEL CODE RB4171 6592T3 54-18 FRAME DETAILS COLOR Blue MATERIAL Nylon SQUARE Phantos LENS DETAILS COLOR Grey MATERIAL Polycarbonate TECHNOLOGY Grey LENS PROTECTION INDEX 3P