NASH SUN Sunglasses by Blake Kuwahara. Color: Ash, Birch, Chestnut, Size: 53-21-140. Combining sharp geometry with soft palettes to create a look thats effortlessly cool, the NASH SUN shades are as practical as they are striking. With these premium acetate sunglasses showcasing signature Blake Kuwahara design, your eyes are shielded behind a solid square frame that offers both modern fashion and UV protection. Whether you’re chilling by the beach or strolling through the sunlit city, the NASH SUN frames keep you stylishly in the shade.