The 5.11 A.T.A.C. 2.0 6" Side Zip boot is trusted by top public safety professionals. Features an air flow tongue and a full-length dual durometer Ortholite footbed. These attributes allow for ample breathability, keeping your feet cool and dry throughout the day. An Achilles heel flex zone enhances the range of motion in a critical area of your foot without sacrificing stability. The full-grain suede toe, durable 840D nylon upper, and potent Shock Mitigation System combine to deliver the robust protection you need.