black washed culatta & fish leather crossbody bagthe compact leather bag can be worn on the shoulder or across the body and has been cut from a butter soft full grain 3. 5mm vegetable tanned, washed and tumbled horse culatta leather. 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 medium to firm temper. vegetable tanning is a traditional method of treating the hide using natural extracts such as