These camel active classic shoes collection by the name of LEAGLE are definitely an eye-catcher. Here's something about the slip-on shoes : Upper Material: The upper part of the shoe is made of breathable cow leather. Lining: The inside of the shoe is made from microfiber. Insole: The insole, which is the layer that provides cushioning and support for the foot, is made of HRS (Highly Resilient Silicone), which is a type of PU (Polyurethane) material. Outsole: The outer sole of the shoe, which contacts the ground, is made of Rubber.