The RX6421 pairs rectangular full-rim construction with unisex squared semi-rim design and contrasting brow and rim/bridge. The model comes with flat temples, and of course, the engraved Ray-Ban logo. Ray-Ban products sold by authorized sellers, like Amazon.com, are eligible for all manufacturer warranties and guarantees. Visit the Ray-Ban shop by clicking on the brand link above to shop the entire Ray-Ban assortment.