Children's barefoot shoes Vivobarefoot Ultra Preschool K as part of the Bloom line! The shoes from this series are made of algae-based Bloom foam. Their super light construction will provide perfect protection for ever-growing children's feet. Whether your kids are running around the pool or searching for buried treasure on the beach, Ultra Kids will keep up with their imaginations. Ideal footwear for small feet that don't stand still for a while. * material: EVA+BLOOM (synthetics) * lining and insole: Dri-lex insert for moisture removal and excellent comfort (synthetics) * sole: approx. 7mm (in compression only 3 mm) * abrasion-resistant sole * shoes not suitable for use in the field with sharp stones and dynamic activities where there is increased friction of the sole. Bad walking or running technique significantly reduces their lifespan. * velcro closure * vegan * design may vary for each item * children's water sandals