Rothy’s The Original Slip On Sneaker in Navy size 9.5. Minimally worn. Great condition. Soft, flexible upper in navy—which means no break-in period, ever. Comfortable insoles in medium tan and durable outsoles in cream. Features a white and medium tan heel stripe for a sporty touch. Fully machine washable, so they're like new again and again. Knit from Rothy’s signature thread, which is spun from single-use plastic bottles. Learn more. It took about 13 plastic bottles to knit this pair of shoes. In 2023, Rothy’s factory achieved TRUE Platinum certification, validating that it's operating with zero waste practices by diverting solid waste from the landfill, incineration and the environment.