Never Used Costa Del Mar Rinconcito Men’s Sunglasses in Matte Atlantic Blue/Grey Silver are a stylish and functional accessory for men. Featuring mirrored and polarized lenses with 100% UVA & UVB protection, these square-shaped sunglasses are perfect for outdoor activities like fishing or sports. The blue frame and silver accents add a touch of sophistication to the design, while the lightweight construction ensures comfort during long wearing periods. This model from Costa Del Mar is a great choice for those looking for a combination of fashion and performance in their sunglasses. As far as I can tell, these are the real deal. I can answer any questions.