Introducing the AT4, the latest addition to Crispi’s Tactical lineup, designed for law enforcement and military professionals. Built for agility, durability, and all-day comfort, the AT4 is engineered to keep up with fast-paced, high-stakes situations without compromise. Crafted with a water-repellent suede upper (available in Coyote) or greased Nubuck leather (Black), reinforced with run-proof nylon, the AT4 delivers exceptional durability while maintaining breathability. A leather toe cap provides added protection against wear and impact, while the speed lacing system ensures a secure, precise fit for rapid deployment. At just 1 lb 1 oz per boot (size 9), the AT4 is remarkably lightweight without sacrificing performance. The GORE-TEX® lining offers 100% waterproof protection, keeping feet dry in wet conditions while maintaining breathability. A Vibram® outsole paired with an EVA midsole provides outstanding grip, stability, and shock absorption, ensuring superior traction on a variety of terrains. Designed with a 2 Flex rating, the AT4 strikes the perfect balance between support and flexibility, making it ideal for tactical operations, patrol duties, or everyday wear. Whether you're navigating urban landscapes or rugged backcountry, the AT4 is built to handle any challenge. Unyielding. Responsive. Mission-ready. The AT4 is your trusted companion in the field—because when every step counts, you need a boot that won’t back down. Crispi AT4 Black Boot 2120-9999