The boot worn by the world�s leading public safety personnel in a 6� height, 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 roughed out suede toe, 840D nylon upper and Shock Mitigation System� provide the kind of rugged protection you need