Upper Material Waterproof leather, hydrophobic, breathable (5,0 mg/cm²/h), 2.0 – 2.2 mm thickInner Lining GORE-TEX Performance; 4-layer GORE-TEX laminate, waterproof and breathable. Highly abrasion-resistant lining with fleece midlayer. Optimized- climate comfort for all year seasons and excessive use. Increased chemical protectionNon-woven insole Non-woven insole absorbs moistureFoot bed Anatomically formed, exchangeable, washable, very good moisture absorption, dries quicklySole Rubber/PU sole with a street/terrain tread, wear resistant and non-slip traction. Optimal..