This pair features top-grade leather sourced from an approved Leather Working Group trader, incorporating a blend of black materials. - These high-quality leathers have been sourced from a Leather Working Group approved trader - A mixture of black leather - 100% Leather sole & Leather lined - We recommend taking a size up from your usual size Composition: Upper - 100% Leather / Sole - 100% Leather Measurements: 12cm Block Heel / 3cm Platform