Classic slip-on shoes with practical stretch inserts for a quick on and off, a crocodile pattern at the heel and a breathable insole that ensure an optimal foot climate, ideal for a smart or casual look. Brand: Rieker Upper: Leather Lining: Synthetic Insole: Leather Sole: Synthetic. These Rieker 17659-00 mens black slip-on shoes are smart and practical. The wide fit shoes have a smooth black leather upper which is breathable and comfortable. There are stitching accents over the toe cap and heel back for added structure and the stretchy side gussets offer easy slip-on access and comfort. The stitch construction sole unit is flexible and breathable and the separate heel maintains the smart appearance of these shoes. Slip into effortless style with these slip-on loafers. Two subtle elasticated vents create easy application and removal, whilst maintaining a streamlined and classic silhouette. A subtle toe-cap and heel panel adds dimensional detail, whilst the gripped sole adds traction underfoot.