Amazon.com: 5.11 Tactical Men。Men\'s Black 5.11 Tactical A.T.A.C. 2.0 8\" side-zip boots size 13 The boot worn by the world’s leading public safety personnel, the 5.11 A.T.A.C., just got promoted. It’s lighter and more comfortable, yet maintains its reputation for toughness and durability. A new flow tongue and full-length durometer Ortholite footbed work to keep your feet cool, dry and comfortable all 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. Features of Men\'s 5.11 8\" ATAC 2.0 Side-Zip Boots New Air Flow breathable tongue construction Lighter weight upper construction New full length dual durometer Ortholite footbed New Achilles heel flex zone for enhanced comfort and flexibility Shock mitigation system Stroble construction Full grain leather toe 840D nylon upper YKK Side zipper Slip and oil resistant sole Knife pocket