Pre-owned in lightly worn condition. Boy's size 13 Low-profile design is lightweight and flexible for improved ground contact PFC-free durable water repellent Non-marking rubber outsole leaves no trace Material Washable TPU upper is water- and abrasion-resistant for durable wear Aquagrip rubber with zonal siping provides maximum traction on wet surfaces Quick-dry lining for active use EVA footbed with arch support for all-day comfort Care All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.