Georgia waterproof system. Non-metallic. Fully lined with breathable moisture-wicking material. Injection molded seamless construction. TPU outsole with PU midsole. Heel-stabilizing Counter Lock. Composite toe. Combination eyelet/hook hardware. Comfort Core? Next Gen memory foam insole. Full-grain SPR salt-resistant leather3-pronged TPU Suspension Shank for multidirectional support. Secondary fiberglass shank for additional arch support. 6 Inches in height