Rothy’s bright blue bird’s eye flats with orange soles - discontinued, retired, rare and hard to find. See photos for signs of wear Soft, flexible upper in blue—which means no break-in period, ever. Comfortable matching insoles and durable orange statement outsoles. Fully machine washable, so they’re like new again and again. Our shoes don’t stretch much—so make sure they are not too snug. Knit from Rothy’s signature thread, which is spun from single-use plastic bottles. Learn more. It took about 11 plastic bottles to knit this pair of shoes. 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.