Birki's Tahiti Brights Rose Soft cork sole Genuine leather uppers Two adjustable straps with metal buckles Original Birkenstock Footbed: cushioning cork with deep heel cups, toe bar and anatomically correct arch supports Soft Base: sole provides an extra layer of cushioning between the foot bed and sole Soft Footbed: A layer of latex inserted just beneath the foot bed liner of Birki's original cork and jute foot bed