The classic Ray-Ban Clubmaster just received a modern and trendy makeover with Ray-Ban Clubmaster Square sunglasses. Featuring stylish square lenses, these Clubmaster spinoffs will ensure you stand out while still fashioning one of todays most popular Sunglasses . Clubmaster Square RB4190 sunglasses have been engineered by Ray-Ban designers to have unique rivets in the frame and slick new temples bearing the famous Ray-Ban signature. This comfortable and versatile sunglass style looks great on all face shapes and is offered in a variety of frame colors such as black, blue and tortoise as well as multiple lens treatments including polarized, crystal green, crystal grey and gradient brown.