The Duration boot from Cliffs by White Mountain takes style and comfort to the next level. This expandable shaft is great when walking or having to brave the elements. The versatility provided by this slouch tall shaft boot is just another reason why it's a must-have in your closet. Zip closure Padded insole Imported Product Specifications 1.5" heel 14" shaft height 15" calf circumference Wide width Material Lining: synthetic; Midsole: synthetic; Outsole: synthetic Polyurethane