From the website: Ready to make a statement. Our Voss II sandal has been re-engineered for the season. Made from tough Hydro leather, it sits on a super light Ziggy sole, welted in place with signature yellow stitching. Built to outlast summer, the sandals are ready for whatever you can throw at them. Adjustable straps Hydro is a smooth-to-the-touch PU-coated leather with a matte finish. Clean by wiping with a damp cloth only Our Goodyear-welted lines are heat-sealed at 700°C and reinforced with our signature welt stitch For half sizes, we recommend going down a size Platform height: 1 1/2 in; Heel height: 1 7/8 in Make me an offer. Thanks for stopping by! :)