Let your kid jump or run without worrying about discomfort wearing Birkenstock® Kids Rio EVA footwear. It has lightweight water-friendly EVA upper in two-strap design with buckle closure. A contoured EVA footbed supports the arches of the foot and cradles the heel. It has EVA lining for all day convenience. EVA outsole. Made in Germany. View Zappos.com Glossary of Terms Birkenstock Kids Rio EVA (Toddler/Little Kid/Big Kid)