5.11 Tactical Men's A.T.A.C. 2.0 8" Side-zip Brand New, NWT, In-Box Size "The boot worn by the world’s leading public safety personnel in a 8” height with side zip, the 5.11® A.T.A.C. 2.0. It’s lighter and more comfortable, yet maintains its reputation for toughness and durability. A new air flow tongue and full-length dual durometer Ortholite® footbed work to keep your feet cool, dry and comfortable all day, every day. Another new feature, the Achilles heel flex zone, gives a critical part of your foot more range of motion without compromising support. The full-grain leather toe, 840D nylon upper and Shock Mitigation System® provide the kind of rugged protection you need; while the knife pocket keeps an important ally within reach."