Upper Material Nubuck leather/Textile combination, hydrophobic, breathable, 2.0 - 2.2 mm thick. Inner Lining GORE-TEXA(R) Extended; 3-layer GORE-TEXA(R) laminate, waterproof and breathable. Highly abrasion-resistant lining with fleece mid layer. Optimized- climate comfort for all year seasons and excessive use. Insole Dimensionally stable, torsion-proof, prevents penetration pressure from sharp objects (e.g. stones) Foot bed Comfortable, cushioning, moisture repellent, anti-bacterial. Separate heel shape for good cushioning and foot insertion. Sole Rubber/PU walking sole with proven street/ terrain tread, wear resistant and non-slip traction; large, beveled contact surface and superior bending comfort. Oil and gasoline resistance and non-marking characteristics. Heat resistant. HAIXA(R) Climate System Climate System with Micro-Dry lining at the top of the bootleg. HAIXA(R) 2-Zone Lacing Two Zone Lacing System enables a separate adjustment of the boot to the foot and leg area. HAIXA(R) Smart Lacing Smooth and non-pressure adjustment of the boot to the foot, Quick lock and lace pocket. Others Lacing system with eyelets permitting smooth movement, pulling strap, lace pocket, manually applied rubber sidewall on the front and back of the shoe for better durability, antistatic.