Amazon.com: 5.11 Tactical Men。Optimize your performance with the 5.11 Tactical A.T.A.C. 2.0 6\" Side-Zip Boot. Engineered for law enforcement, military, and first responders, this second-generation duty boot is lighter and more breathable than the original while maintaining its legendary durability. Featuring the 5.11 Shock Mitigation System and an integrated Achilles heel flex zone, these boots provide the agility of a sneaker with the rugged support of a professional-grade tactical boot. Brand: 5.11 Tactical Model: A.T.A.C. 2.0 6\" Side-Zip Style Code: 12394ABR / 12394-019 Size: Men\'s 7.5 US (Regular Width) Color: Black (GCB / 019) Boot Height: 6 Inches Upper Material: 840D Nylon & Full-Grain Suede Leather Condition: Pre-owned in good condition Key Performance and Tactical Features YKK® Side Zipper: High-quality lateral zipper allows for rapid on-and-off transitions, secured by a hook-and-loop tab to prevent catching. Achilles Heel Flex Zone: A critical design update that provides a greater range of motion and enhanced flexibility without sacrificing structural heel support. Dual Durometer Ortholite® Footbed: Full-length, open-cell foam insole provides superior cushioning, moisture-wicking, and a cool, dry foot environment. Shock Mitigation System®: A multi-layered midsole and outsole system designed to absorb high-impact energy and reduce leg fatigue during long shifts.