Back from the archives with a refreshed design, this mixed construction RB3751CH Chromance has a classic masculine look. Featuring cool metal rims, a new hinge style and Chromance lenses, these casual shades guarantee clarity of vision and effortless style. 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.