Lace-lock bungee system with adjustable hook-and-loop strap makes for easy on/off yet offers a snug, secure fit Quick-dry linings for active use EVA insoles with arch support for all-day comfort KEEN toe bumpers prevent stubbed toes so kids can head outside worry-free Eco Anti-Odor for natural odor control Machine-washable for easy care—select cold water and a gentle cycle, and remove to air dry Nonmarking KEEN.FUSION rubber outsoles