Flame Red Coming in red hot. Sharp style meets exceptional comfort in this sophisticated silhouette. Materials Knit from Rothy's signature thread (spun from plastic water bottles). Flame Red solid upper. Matching red insoles and outsoles. Features Rothy's signature blue halo. Slip out insoles. Pop shoes and insoles into the washing machine. Use cold water, mild detergent and the delicate cycle. No heat, please-always let your shoes air dry.