Introducing the Filling Pieces FILLING PIECES Jet Trainers. The Jet Runner By Filling Pieces Is Inspired By The Iconic Running-Style Design And Perfected With Contemporary Craftsmanship. Featuring A Classic Silhouette Constructed From Luxurious Suede And Combined With The Comfortable Jet Outsole, Resulting In A Shoe That Is Light On Your Feet And Will Stand The Test Of Time. Sole Material: Rubber Leather Insock Gold Details Mondo Details Leather Lined Material: Non-Leather. Colour: pink