MASTON SUN Sunglasses by Blake Kuwahara. Color: Navy Horn, Tokyo Tortoise, Size: 50-22-140. The MASTON SUN shades channel pure elegance through a timeless wayfarer silhouette. Their clean lines and refined design make them a perfect companion for sun-soaked adventures, seamlessly blending classic vibes with modern chic. Made of premium Japanese acetate, this model offers comfort that is both lightweight and enduring. Whether youre parading down the streets or chilling by the pool, the Maston Sun has you covered, both literally and in the style department.