Greyder Multi Marine Shoe in Navy and Tan The Multi Marine Loafer from Greyder in Navy and Tan combines comfort and practicality. The soft leather, padded collar and memory foam insole is complemented by the Greyder's Marine Rotect Pro sole. The durable abrasion resistant, non-marking sole gives extreme support in all conditions, making it a super versatile loafer, perfect whether out on the boat or around the house.