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