From GB the Change, the So-Lution Sustainable Leather Snake Print Accent Booties feature:Ethically sourced leather upper with snake print accentDuel sided zipper for easy on-and off Synthetic Biolite lining, created using a method that replaces the use of harsh chemicals with recycled materials Ecological foam sock to provide added comfort; made by using renewable energy from byproducts from the food industry such as soy and sugar cane.TR outsole that includes the use of partially recycled materials. Comfortable!Approx. 3.9" shaft heightApprox. 9.8" shaft circumferenceApprox. 0.9" platform heightApprox. 2.7" heel heightTAGS, adjustable, adorable, anti-fatigue, breathable, casual, comfortable, comfy, cooler, cushioned, cute, cutting-edge, dependable, durable, simple, sleek, slip-on, slip-resistant, work, comfort shoes, clogs, work, career, business casual, classic, boho, teaching, nursing, nonslip, slip resistant, closed back, athletic, everyday, walking, hiking