This water sandal for infant boys is comfortable, too, with a built-in heel cup in the footbed and adjustable straps for a great fit.2-point adjustable upper with hook and loop closureEVA (Ethyl Vinyl Acetate) footbed with heel cupLightweight and flexible EVA (Ethyl Vinyl Acetate) outsoleTonal graphic print detailWater friendly, stretch synthetic PU upper with Lycra® liner. LYCRA® is a registered trademark of INVISTA. All rights reserved.