Ios - Kids Birkis Ios - Kids Never worry about your kids losing their sandals with this heel strap style. They'll be comfy all day in the cork footbed and will get proper support for their arch development. Roma - Kids Birkenstock Roma - Kids Two front straps and a secure heel strap will keep kids safe and comfy in this casual sandal. The cork footbed has good arch support for growing feet, a stable heel cup, and a moisture-wicking suede liner.