Sandals by birkenstockthe mayari by birkenstock is a backless sandal featuring cross straps with adjustable buckle fastening made out of synthetic material with a leather like finish and moulded cork footbed synthetic upper suede lining eva midsole cork and natural latex soleabout birkenstockthe mastery of shoe making and the devotion to bring style and comfort to the people have persisted from one generation to the next over many generations the birkenstock company has gathered extens