Upper Material Velour leather/textile combination. Inner Lining GORE-TEX Extended; 3-layer GORE-TEX laminate, waterproof and highly breathable. Abrasion-resistant lining with optimized climate comfort, especially for flexible alternating inside and outside use. Insole Comfortable, cushioning, moisture repellent, anti-bacterial. Separate heel shape for good cushioning and foot insertion. “AIRFLOW” channels. Running sole Made of rubber; oil, petrol and heat resistant as well as cold insulating compliant with EN ISO 20347:2012, non-marking and self cleaning Anti Slip Excellent grip on a variety of terrains, even in the cold due to specifi c outsole design and use of special rubber. Durable Sole Rubber mixture for long durability. Midsole Elastic two-layer PU midsole, lightweight, cushioning effect. Stabilization zone for optimal pressure distribution on uneven terrain. HAIX Climate System The HAIX Climate system uses the pumping movement, which permits air circulation with every step – warm air is released through the Micro-Dry lining at the top of the boot leg. Dynaframe HX design element made of tensile and tear-resistant PU material. Perfectly covers the midfoot area and transfers traction forces of the lacing elements. The heel clip stabilizes the rear foot. Stabilizer Asymmetrical PU for stabilizing the heel. Smart Lacing Smooth and non-pressure adjustment of the boot to the foot, quick lock and lace pocket. Others Low weight, pulling strap, closed lacing system with quick closure and lace pocket, additional tip protection, metal-free, antistatic, suitable for fast roping, sole is very non-skid in wet and cold conditions, durable good cushioning effect, suitable for grey/ olive clothing