Innovation has never looked so good with Ray-Ban RB4188. Especially pioneered in Italy to contain the latest technology in Active sunglasses, RB4188 sunglasses are fresh, sleek and sharp. The innovative frames of RB4188 feature sharper angles and a slick finish distinguishing these as true sports performance sunglasses. The Ray-Ban RB4188 brandishes Wayfarer-inspired temples accompanying high-tech polycarbonate lenses. Ray-Ban's Monoblock "stop click" hinges and rubber tipped temples allow for supreme comfort and resistance. RB4188 sunglasses come in brown frames with solid brown lenses.