Merrell's full-grain leather Encore Gust helps you stay in your groove all day with flexible construction, impact-absorbing Air Cushion, and a sticky rubber sole that keeps you grounded. . Compression-molded EVA midsole provides cushioning. Air cushion in the heel absorbs shock and adds stability. Molded nylon arch shank for support underfoot-helps prevent foot fatigue. Merrell sticky rubber outsole for reliable traction. Full-grain leather upper. Removable EVA footbed for added cushion. Lining treated with Aegis antimicrobial solution to help resist odor. Strobel construction offers flexibility and comfort.