Dr Martens Voss Leather Strap Sandals Adjustable straps Our Goodyear-welted lines are heat-sealed at 700°C and reinforced with our signature welt stitch Platform height: 1 1/2 in; Heel height: 1 7/8 in Material: Hydro - a PU-coated leather features a matte finish and is smooth to the touch. Worn once, like new! A little dusty from being in the closet and a little dirty on the bottom soles from the single wear.