MATERIAL: Adjustable bungee cords and pull-on design make it easier for kids to put on and take of themselves; Quick dry washable webbing straps FIT: KEEN Original Fit gives generous space for toes to spread out CLOSURE: Lace lock bungee capture system provides a secure fit while offering a quick and easy way to get footwear on and off COMFORT: High rebound cushioning system delivers resilient underfoot relief from the playground to the riverside TRACTION: Siped sole channels water away for exceptional grip in the rain and on wet surfaces; Keeping little feet planted no matter the adventure