Crispi Men’s AT4 Boot Mission-Ready Performance, Built to Move The Crispi Men’s AT4 Boot is engineered for professionals who operate at speed—where agility, durability, and comfort are non-negotiable. Designed for law enforcement and military applications, the AT4 blends lightweight construction with tactical-grade support, delivering confidence across urban environments and rugged terrain alike. Lightweight Agility with Tactical Support Weighing just 1 lb 1 oz per boot (size 9), the AT4 is remarkably light without compromising stability. A balanced 2 Flex rating offers controlled support with natural mobility, ideal for patrol duties, rapid response, and long days on your feet. The speed lacing system ensures a secure, precise fit for quick deployment when seconds matter. Durable Materials, All-Weather Protection The AT4 features a water-repellent upper—available in suede (Coyote) or greased Nubuck leather (Black)—reinforced with run-proof nylon for durability and breathability. A protective leather toe cap guards against impact and abrasion. Inside, a 100% waterproof GORE-TEX® lining keeps feet dry while allowing moisture to escape. Underfoot, a Vibram® outsole paired with an EVA midsole provides reliable traction, stability, and shock absorption across varied surfaces. Key Features: Tactical boot designed for law enforcement and military use Lightweight construction for agility and all-day comfort Flex rating: 2 (supportive with natural mobility) Upper: Water-repellent suede (Coyote) or greased Nubuck leather (Black) with run-proof nylon Protection: Leather toe cap for added durability Waterproofing: GORE-TEX® lining (100% waterproof, breathable) Outsole: Vibram® for dependable traction Midsole: EVA for shock absorption and stability Speed lacing system for rapid, secure fit Insulation: None Weight: 1 lb 1 oz per boot (size 9) Contains PFAS chemicals Style #: The Crispi Men’s AT4 Boot delivers ultralight agility, waterproof protection, and tactical durability—built for professionals who need reliable performance when every step counts. Crispi Men’s AT4 Boot offers lightweight tactical performance, GORE-TEX waterproofing, Vibram traction, and durable support for law enforcement and military use.