I am also listing this item on other sites, so please contact me if you wish to purchase it. I received this from a friend. I have disposed of the warranty and box, so I will ship the boots only. I will ship them in a way that minimizes shipping costs. I have used them about 3-4 times, and they are in very good condition. I'm not sure if it's the 23-24 model or the 24-25 model. Please purchase only if you understand this.