The legendary I-shape metals family make a comeback from the ‘70s vault to celebrate the trailblazing Ray-Ban heritage. Oversized geometrical shapes catering to a sense of freedom and individual self-expression. The RB1971 Square Evolve Photochromic is a full-hearted celebration of the boho chic of the 70s. Feeling like a movie star and acting like one too – that's the attitude the square brings to the party. Available in a variety of metal finishes with solid, gradient or Photochromic lenses that seemlessly adapt to all light conditions, from light indoors to dark outdoors. Ray-Ban sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.