NEUTRA SUN Sunglasses by Blake Kuwahara. Color: Cognac, Size: 49-18-140. The NEUTRA SUN brings a blend of elegance and strength to their sun-ready design, with a bold cat-eye shape that shields your eyes in style. Made from translucent acetate, they offer just the right balance of lightness and impact, creating a pair of shades that are both graceful and functional. For those who like their sun protection with a bit of flair, the NEUTRA SUN is a sure summer choice.