ISO is a side-zip boot with a strong metal Excella zip, crafted in mat horse leather on a Blake stitched leather sole. Has perfect wrinkles on the outside - the lining is smooth and shaped. - Side-zip boot - Mat horse leather - Cow lining - 5 mm Excella zip - Leather sole with rubber injected area - Blake stitched construction - Washed Measurements: Insole length: Size 39: 27,2 cm Size 40: 27,8 cm Size 41: 28,4 cm Size 42: 29,0 cm Size 43: 29,6 cm Size 44: 30,2 cm Size 45: 30,8 cm Size 46: 31,4 cm Size 47: 31,0 cm