BUFF SUN Sunglasses by Blake Kuwahara. Color: Cypress, Vapor,Size: 51-23-145. With the BUFF SUN sunglasses, the timeless square frame takes on a new life. Boasting a massive acetate build that's both robust and lightweight, they showcase Blake Kuwahara's trademark double-frame design, creating volume and depth with a clever interplay of colors. Making a bold statement without being overbearing, the BUFF SUN is your perfect summer accessory for all occasions.