Adjustable Lace Closure. EVA foam midsole for cushioning. Full grain leather upper. Nylon stability shank embedded into midsole supports the arch and helps create a smoother gait. Removable molded EVA and Memory Foam Footbed. Seam-Sealed Waterproof Construction. Solid rubber outsole. TRU-TRAK® multi-directional outsole grip configuration provides maximum traction and surface contact. Waterproof Materials.