5.11 Tactical A.T.A.C. 6" Shield Side Zip Boot 100% Leather and Fabric Synthetic sole Safety-toe work boot in full-grain leather with lace-up front and puncture-resistant sole Side zipper closure Waterproof, breathable, and blood borne pathogen-resistant, antibacterial and moisture-wicking lining CSA/ASTM-certified safety toe 5.11 Shock Mitigation System cushioned insole Oil- and slip-resistant outsole with non-metallic shank