Waterproof Leather upper (1.6 - 1.8 mm), hydrophobic, breathable Inner lining GORE-TEX® Extended; 3-layer GORETEX ® laminate, waterproof and highly breathable Abrasion-resistant lining with the highest level of climate comfort, especially for flexible use indoors and outdoors and at warmer temperatures Comfortable, cushioning, moisture-wicking inlay Separate heel cup ensures good cushioning and foot guidance Outer sole is made of rubber and is oil, petrol, heat and cold resistant Excellent adhesion on different terrain due to the profile design and the special rubber used Two-component mid sole, PU, light, cushioning and supportive Supports the heel medially, prevents buckling Asymmetrical PU insert to stabilise the heel Smooth and pressure-free adjustment of the shoe to the foot, quick release fastener and laces pocket Low weight Metal-free Antistatic