Trotters Women's Liz Slip-On 100% Leather Synthetic sole Heel measures approximately 0.75" Skid-resistant thermoplastic rubber outsole flexes as you move to help reduce foot fatigue. Cushioned polyurethane foam insole never loses its shape. Woven leather upper is lined with breathable polyurethane to help keep feet cool and dry. Woven leather upper, polyurethane sockliner, polyurethane foam insole, steel shank... Thermoplastic rubber outsole. Care: Buff with a leather cleaner or polish. Wipe with a dry cloth.