Birken Mule five-finger mule shoes for men and women in autumn and winter new black five-finger Birkenstock sandals and slippers are very designed. The heightening of the head will show the size of the legs, and the pants and skirts can be matched together~ Upper material: imported calfskin Shoe lining material: sheepskin sole Material: Original rubber sole Shoe size selection: Female 35-40 (40 customized) Male 39-45 (44.45 customized),