WATER-RESISTANT UPPER: Washable polyester webbing featuring quick-dry lining for all-day use in and out of the water; PFC-Free, durable water repellent helps shed water and prolong the quality and life of the material in boy’s and girl’s sandals TRACTION & PROTECTION: Multi-directional lugs with quick water channeling help provide superior grip on slippery and wet terrain; Non-marking rubber outsole leaves no imprint when walking indoors SUPPORT & COMFORT: Lace-lock bungee capture system provides a secure fit while offering a quick and easy way to get them on and off; Compression-molded EVA midsole for enhanced cushioning FIT & INSOLE: An adjustable hook-and-loop strap lets kids put the shoes on themselves, and quick-drying webbing is perfect in and out of the water CARE TIPS & ODOR PREVENTION: All KEEN water sandals are machine washable; Use a small amount of detergent, wash on gentle cycle and air dry; Includes Eco Anti-Odor, a natural, probiotic-based technology for breaking down odor in sweat