Look Put Together Without Thinking About It. The Seratino Leather Loafer combines genuine cowhide leather with perforated leather for airflow, a flexible rubber sole for comfort. Pair them with jeans, chinos, or dress pants — they work with almost anything already in your closet. Genuine Cowhide Leather No-Lace Slip-On Fit All-Day Comfort, Built In Works with Jeans, Chinos & Dress Pants