Hi-Tec Altitude Lite I WP Hiking Boots Textile Combination ghillie and hardware lacing system - Ensures a secure fit. Dri-Tec membrane - Breathable and waterproof fibres. i-shield tech - Repels water and dirt, and is resistant to stains. Moulded EVA midsole platform - Extra cushioning support. Nylon shank for lightweight support - For added stability.