Ballet flats in a combination of 14% goatskin leather, 86% sheepskin leather. Elastic strap closure. Back pull tab for easy on and off. Flexible 100% sheepskin leather insole. Rubber sole. LEATHER: Made of high quality leather. Any creases or irregularities are natural characteristics of the leather, making each piece unique. STARFIT® TECHNICAL INSOLE FOAM: Technical and flexible insole made of polyurethane foam. Comfort, cushioning and durability.