Rubber sole Upper Material: The elevator dress shoes made of cow leather is comfortable and breathable. Outsole: The height increasing shoes made of rubber outsole are non-slip and wear-resistant. Invisible Design: These Height Increasing elevator shoes are designed to provide extra height with invisible built-in height insoles, nobody will ever suspect you're wearing elevator shoes. Customized Service: With customized service. GOLDMoral Shoes was established in 1996. It is a professional handmade Elevator Shoe company. You can customize the shoes' color, material, height, etc. Please Choose Your Size According To Size And Pictures. Enjoy Your Buying!