The upper uses calf nubuck with a velvety texture, gently enveloping the foot. The sole uses Eberle sole (natural rubber) with excellent elasticity and flexibility, providing a comfortable fit. Black suede material, back zipper boots. - Heel height: Approximately 7cm Please purchase with the understanding that these are used. We are very sorry, but we do not offer layaway (reserved listings), so please understand this as well. Thank you for viewing.