5.11 Men's A.T.A.C 2.0 6in Lace Up Boots - The boot worn by the world's leading public safety personnel in a 6-inch 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 airflow tongue and full-length dual durometer Ortholite footbed work to keep your feet cool, dry, and comfortable 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. Air flow breathable tongue construction; Full-length dual durometer Ortholite footbed; Achilles heel flex zone for enhanced comfort & flexibility Shock Mitigation System; Strobel construction Lighter weight upper construction; Ortholite Achilles cuff for comfort; Slip- and oil-resistant outsole; Style: 12401;