The 5.11 Speed 3.0 Side-Zip Boot is built for superior comfort and stability, featuring Speed 3.0 Urban outsole, a side zipper for easy-on/off, a fence-climbing toe, and a new high traction oil- and slip-resistant urban tread. This boot is built for the most challenging, active demands of your job. An AgION Antimicrobial lining inhibits the growth of odor-causing bacteria, OrthoLite insole and stroble sock enhance comfort and security, and a 14mm heel-to-toe drop ensures an accelerated stance. That's functional speed. Feature: accelerated version of the A.T.A.C. Boot, lightweight, breathable, and moisture-wicking, perfect for work, the range, and personal wear, Agion Antimicrobial lining, side zipper, 14mm heel to toe drop, A.T.A.C. footbed and outsole, leather and nylon upper, OrthoLite insole, oil- and slip-resistant urban tread, fence-climbing toe, anti-microbial technology that inhibits the growth of odor-causing bacteria. Material: Leather, Nylon.