Waterproof leather upper, hydrophobic and breathable (5.0 mg/cm²/h), with a 2.5 - 2.7 mm thick Gore-Tex Performance lining that is both waterproof and breathable. Highly abrasion-resistant lining with a fleece interlayer ensures optimal climate comfort for all seasons under the highest demands. Increased chemical protection is provided. The synthetic/fleece insole is moisture-absorbing, dimensionally stable, torsion-resistant, and reduces punctual pressure (e.g., from stones). The anatomically shaped insole offers excellent moisture absorption and fast drying; it is replaceable and washable. An anatomically shaped protective steel toe cap meets the highest safety requirements. The flexible, lightweight, and puncture-resistant metallic sole insert enhances durability. The rubber outsole features a proven street/terrain tread and is abrasion-resistant.