Filtrate Proper 2 sunglasses. A colab sunglass from Filtrate and the boys from Hollywood's The Proper Barbershop. 'Working Class' (written by John Caleb) written on the inside of the left arm with inlaid Proper Barbershop logo inside right arm. Raw, unpolished acetate cellulose frames with debossed Filtrate logo at temples. Stainless steel hinges. CR-39 scratch and impact resistant lens. 100% UV protection. Imported.