Quartz - Kid's Black Calf Leather Loafer (5-12 Years Old) typically refers to a slip on shoe that is both stylish and comfortable. Made from black calf leather, these loafers would likely be versatile and suitable for a range of occasions, from casual to more formal events. For children aged 5-12 years old, these loafers could be a great option for school, special occasions, or everyday wear, depending on the style and preference of the child and the parents.