I'm selling these because they're cute, but I rarely wear them anymore. I used them occasionally on rainy days, so they show some wear. Please purchase only if you understand this. The following is quoted from the official website: --- The DROPLET rain boots combine fashion and functionality. Featuring a durable rubber shell and a flexible neoprene collar, the lining uses UGGplush™ upcycled wool blend to achieve a distinctive softness, and the bold, seasonal colors provide a rain-resistant statement. ・Upper: Rubber (molded) ・Lining: 10mm curly UGGplush™ (upcycled wool 60% / TENCEL lyocell 40%) ・EVA footbed ・Pull tab at the back, neoprene collar ・Woven UGG logo label on the sockliner, pull tab with UGG logo ・Waterproof, suitable for light to moderate rain *UGGplush™: A blend of two very soft fibers, wool and lyocell, to achieve the ultimate in soft and luxurious feel.