Coltrane Sunglasses by Barton Perreira. Shape: Square, Material: Acetate, Color: Absinthe / Commando Polarized / Commando Polarized, Black / Nocturnal Polarized / Nocturnal Polarized, Champagne / Poison Ivy Polarized / Poison Ivy Polarized, Crystal / November Rain Polarized AR / November Rain Polarized AR, Matte Black Amber Tortoise / Marine Polarized / Marine Polarized, Matte Sulcata Tortoise / Sequoia Polaized, Tornade Gradient / Safari Polarized, Size: 54-22-148. Meticulously crafted by hand in Japan, a single pair of Barton Perreira frames is a real work-of-art with exquisite details and stunning silhouettes. Every facet and every angle of Barton Perreira glasses is brought to life with virtuosity and precision. Made from the premium-grade Japanese acetate and titanium, they fit like a tailored suit. In addition, the frames are wired with an adjustable foundation to align perfectly with the wearer’s face, while maintaining its shape.