Born Malpica Handsewn Opanka construction provides great flexibility for a comfortable walk. Naturally breathable leather upper and sockliner gives your feet a dry environment. Lightweight rubber outsole provides superior traction and flexes with feet as it absorbs shock. leather upper, shearling upper lining and sockliner, latex / Dryz insole, plastic shank... Rubber outsole. Care: Leather: Buff with a leather cleaner or polish. Wipe off with a dry cloth, etc...