The Caterpillar® Casual Allay work shoe is a durable leather construction but with a more refine silhouette for a dressier shoe that will still keep you comfortable all day long. Style number: P721260.Full grain leather upper.Traditional lace-up design for a secure fit. Cement + machinesewn construction provides long-lasting durability and flexibility. Nylon mesh lining for added breathability. Lightly cushioned nylon mesh sock liner. Footbed and midsole feature Ease Engineered Comfort technology - a proprietary foam that is 30% lighter, more shock absorbing, and more flexible than standard EVA cushioning. Molded rubber outsole.