Features GoodYear welt construction. Outsole: Oil, slip, heat and abrasion resistant. Self cleaning, non-marking, lightweight rubber. Steel shank. Upper: Velva Barracuda Waterproof Barnyard Acid resistant leather. Forest Green Agion Anti-Microbial lining with a waterproof breathable membrane. Cushion chamber deflate as pressure is exerted on heel driving forward air into the airflow channels, keeping the foot cool and dry in warm months and warm and dry in cold months. Leather is waterproof. Imported.