100% leather. Received as gift a never worn. Deck shoes made with a moccasin construction. The lace used in the mocha is waxed to increase water resistance and tear resistance. The shoelace is 360 degrees through even if the heel is shallow, so you can tighten it tightly to achieve a better fit. The outsole uses a non-marking sip rubber outsole. Provides reliable traction even in wet conditions. This pair is perfect for a mature relaxed style that you want to roll up your bare feet.