Hydro-Shield construction helps keep foot dry. Strobel construction provides forefoot flexibility to aid the walking motion. DMX foam chamber on bottom of footbed provides dynamic air cushioning and sensation. EVA midsole shock absorption for reducing foot and leg fatigue. Rubber outsole provides a durable grip on a variety of surfaces. Waterproof full grain leather upper is easy to clean and maintain. The mesh lining enhances breathability and drying.