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 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. Polishable full grain leather toe Leather and Nylon upper material for better durability 5.11® ATAC midsole and outsole with Shock mitigation system™ Agion® antimicrobial treatment on lining 840D nylon upper, Roughed out suede toe SlipStream™ waterproof/breathable and bloodborne pathogen resistant membrane Air flow breathable tongue construction YKK® side-zipper for easy on and off Full-length dual durometer Ortholite® footbed Achilles heel flex zone for enhanced comfort and flexibility Shock Mitigation System® Ortholite® Achilles cuff for comfort Slip- and oil-resistant outsole Excellent pre-owned condition, very little wear, no major flaws noted.