NWOT - worn once last summer, my daughter has already outgrown these. Great for children with wide feet. Super comfortable and sturdy yet lightweight. Machine washable! FEATURES KEEN.FUSION rubber for lightweight durability Machine-washable for easy care Eco Anti-Odor for natural odor control MATERIALS Washable upper contains recycled P.E.T. plastic bottles Lace-lock bungee system with adjustable hook-and-loop strap Quick-dry lining for active use EVA insole with arch support for all-day comfort Non-marking KEEN.FUSION rubber outsole CARE These shoes are machine washable. Select cold water and a gentle cycle, and remove to air dry. Then go get them dirty again!