Rieker 11962-14 Mens Shoes in Blue. These slip-on shoes are crafted with a leather upper and feature a comfortable, lightweight design. They have a round toe shape, regular width, and a flat heel. Perfect for casual wear, these shoes offer comfort and style without laces. Upper Material: Leather, Lining Material: Leather/Synthetic, Sole Material: RIRICON. Shoe Style: Casual. Heel Height: Flat (Under 2.5cm).