The boot worn by the world’s leading public safety personnel in a 6” 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.