BK1012 SUN Sunglasses by Blake Kuwahara. Color: Brown Straw, Mist, Size: 50-19-145. Coming with luxurious lens tints and superior UV protection, the BK1012 SUN sunglasses are here to make your summer chicer and brighter. The innovative butterfly design is incorporated in premium acetate, creating a silhouette that is massive yet sleek. Adorned with rich patterns and featuring state-of-the-art coating reducing glare and improving color perception, this model is sure to add a swanky edge to any ensemble.