Ballet flat shoes in 90% sheepskin leather. Elastic strap on the instep for better support. Back pull tab for easy fit. 83% sheepskin lining. 100% sheepskin insole. Rubber sole. LEATHER: This product is made of an exclusive material. Any possible marks or color variations are characteristics that confirm the authenticity of the leather. STARFIT® TECHNICAL INSOLE FOAM: Flexible technical insole made of polyurethane foam. Comfort, cushioning and durability.