Their new favorite all season long and beyond; the Kids' Birkenstock Arizona Footbed Sandal. Faux leather Birko-Flor upper in a casual footbed sandal style with an open toe Synthetic leather-like finish with felt-lined backing wipes clean with mild soap and water Twin adjustable buckled straps for the iconic Birkenstock look Slide entry Smooth lining, classic Birkenstock footbed featuring pronounced arch support and a deep heel cup Flexible, shock absorbing EVA outsole Birkenstock is committed to environmentally friendly operations. A high proportion of the natural materials that we use are from sustainable sources: cork, natural latex, jute, leather, wool felt, copper and brass are among our most important materials.