Instant purchase without comments is OK!! The inside is made of fluffy material and is warm. I think it's generally clean because I only wore it at a wedding. There is no size notation, but it's about 13-13.5cm. The shoelace part is rubber and the top is Velcro, so My son, who has wide feet and a high instep, could easily put them on. Soft and very light boots They will be compressed for shipping. Thank you for your understanding. Kids shoes Warm boots First shoes