WARM. DRY. VISIBLE. The Nike Dunk Sky Hi SneakerBoot Reflective Women's Shoe stands tall in cold-weather conditions with a hidden 2.6" wedge heel, water-resistant leather and reflective details inspired by the Northern Lights. WEATHER PROTECTION The leather repels water to help keep your feet dry and comfortable. VISIBILITYReflective features help you remain visible in low light. TRACTIONThe pivot point on the outsole provides traction on a variety of surfaces.