Clarks Scala Loop Formal/School Shoes. These shoes are a great choice for your son's school shoes, offering a smarter fit. The minimalist style provides comfort and flexibility with a lightweight rubber sole featuring flex groves. The simple and breathable leather uppers are ideal for perfect school shoes. Uppers: Leather, Lining: Textile, Fastening: Lace Up, Fitting: F (standard) G (wide), Trim: Eyelet, Manufacturer Code: SCALA LOOP Y.