Excellent used condition! -Fully machine washable -Knit from plastic bottles *Washing Instructions: 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. I'm happy to answer any questions you may have. All items are from a smoke free home. ❤️ *Last picture shows the insole taken out. Sorry for the shadow on the insole! 😜