black culatta leather box baga small unstructured shoulder bag, cut from a butter soft 2. 3mm vegetable tanned culatta leather, with a visible layer of subdermal cordovan. the matte black leather features an array of grain and scarring to give some depth to the bag. culatta is a special cut combined of the rear just above the cordovan, the belly middles and the hind shanks, offering a dense structure, tight grain and firm temper. the unlined leather bag features overlocked hand