These boots are on a single sole, featuring a peep toe and rear back opening. Stretchy fitted shaft with an elasticized lace tie at back of knee. Features an adjustable partial inner side zipper.Material: Vegan Leather (man-made)Sole: RubberMeasurement Heel Height: 4.5" (approx)Shaft Length: 25" (including heel)Top Opening Circumference: 16" (approx)