This durable leather sandal has a high traction Omni-Grip® rubber sole and lightweight molded EVA midsole to keep you comfortable and stable during relaxing days in warm weather.Nubuck upper ,leather lining. Footbed contoured molded Polyair with Omni-Freshâ"¢ featuring Serdiaâ"¢ anti-odor treatment. MidsoleI: Molded EVA. Outsole Non-marking Omni-Grip® rubber compound with rock inspired lug tread pattern.