Crafted from Tumbled Leather Upper; the Nile Cross Over features a Super Lightweight yet Flexible PU Sole. Its Memory Foam Insole with Soft Suede Sock allow feet to feel comfortable throughout the day Tumbled Leather Upper Easy On and Easy Off Mule Sandal Style Memory Foam Insole with Soft Suede Sock Leather Lining Super Lightweight and Flexible PU Sole