Upper material made of nubuck leather/textile combination. Lining made of GORE-TEX® Extended; 3-layer GORE-TEX® laminate, waterproof and highly breathable. Abrasion-resistant lining fabric with maximum climate comfort, especially for flexible use indoors and outdoors as well as in warmer temperatures. Insole is comfortable, cushioning, moisture-wicking, and antibacterial. Separate heel cup ensures good cushioning and foot guidance. "Airflow" channels. Rubber outsole, oil, gasoline, and heat resistant, as well as cold-insulating according to EN ISO 20347:2012, non-marking and self-cleaning. Durable Sole rubber mixture for long lifespan. Anti-slip provides excellent grip on various terrains even in cold conditions, thanks to the tread design and the specialized rubber used. Midsole made of elastic two-layer PU, lightweight and cushioning. Stabilization zone for optimal pressure distribution on uneven terrain. HAIX® Climate System utilizes the pump action created while walking to transport moisture through the Micro-Dry lining at the shaft opening to the outside. Dynaframe HX design element made of tear-resistant PU material that perfectly encompasses the midfoot area and transmits the pull of the lacing elements. The heel strap stabilizes the rear foot. Stabilizer made of asymmetrical PU insert for heel stabilization. Smart Lacing allows for easy and pressure-free adjustment of the shoe to the foot, with quick-release and lace pocket. Other features: lightweight, pull tab, closed lacing system with quick-release and lace pocket, additional toe protection, metal-free, antistatic, suitable for fast roping, very slip-resistant sole in wet and cold conditions, consistently good cushioning.