Specially designed for Urban Search and Rescue missions, the Special Fighter Xtreme, in addition, has multi-use capabilities for wildland firefighting, HAZMAT conditions, and Emergency Medical operations. A reliable partner for varied missions, you can depend on this boot to see you through. The tough upper leather also features HAIX® Sun Reflect leather which reduces the heating effect of direct sunlight, keeping the leather and your feet cooler on long missions. CROSSTECH® inner liners are waterproof and breathable and also offer chemical and bloodborne pathogen protection. Combined with the never duplicated Secura Liner®, you are ensured a liner that will never pull out or wrinkle over time. The lacing/zipper system offers a personalized fit to your foot with the speed of a zip-up boot. The rubber nitrile sole is oil and fuel resistant, self cleaning, and high voltage resistant to 14 KV. You never know what is underfoot from broken glass to nails, but with the stainless steel built into the sole, you have ultimate puncture protection. All threads and laces are flame resistant Nomex. Certified to NFPA 1951-2007, NFPA 1992-2005, NFPA 1977-2011, NFPA 1999-2008, CAN/CSA Z195-09 and ASTM F2413-05.